{"id":2461,"date":"2025-12-03T23:42:52","date_gmt":"2025-12-03T23:42:52","guid":{"rendered":"https:\/\/arvernes-gemmes.com\/?page_id=2461"},"modified":"2026-05-08T19:49:37","modified_gmt":"2026-05-08T19:49:37","slug":"a-world-of-crystals","status":"publish","type":"page","link":"https:\/\/arvernes-gemmes.com\/en\/a-world-of-crystals\/","title":{"rendered":"The crystals"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad, .wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad[data-kb-block=\"kb-adv-heading2461_9372a6-ad\"]{margin-bottom:var(--global-kb-spacing-sm, 1.5rem);font-size:24px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad[data-kb-block=\"kb-adv-heading2461_9372a6-ad\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_9372a6-ad[data-kb-block=\"kb-adv-heading2461_9372a6-ad\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h1 class=\"kt-adv-heading2461_9372a6-ad wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_9372a6-ad\">What is a crystal ?<\/h1>\n\n\n<style>.kadence-column2461_80472e-e1 > .kt-inside-inner-col,.kadence-column2461_80472e-e1 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_80472e-e1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_80472e-e1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_80472e-e1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_80472e-e1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_80472e-e1{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_80472e-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_80472e-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}.kadence-column2461_80472e-e1 {text-align: justify;}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_80472e-e1\"><div class=\"kt-inside-inner-col\"><style>.kadence-column2461_92caae-e0 > .kt-inside-inner-col{box-shadow:0px 0px 4px 1px rgba(0, 0, 0, 0.2);}.kadence-column2461_92caae-e0 > .kt-inside-inner-col,.kadence-column2461_92caae-e0 > .kt-inside-inner-col:before{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kadence-column2461_92caae-e0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_92caae-e0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_92caae-e0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_92caae-e0 > .kt-inside-inner-col{background-image:linear-gradient(135deg,rgb(255,255,252) 0%,rgb(227,236,243) 100%);}.kadence-column2461_92caae-e0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_92caae-e0{position:relative;}.kadence-column2461_92caae-e0, .kt-inside-inner-col > .kadence-column2461_92caae-e0:not(.specificity){margin-bottom:var(--global-kb-spacing-sm, 1.5rem);}@media all and (max-width: 1024px){.kadence-column2461_92caae-e0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_92caae-e0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_92caae-e0\"><div class=\"kt-inside-inner-col\"><style>.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col,.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_ac82bf-f0:hover > .kt-inside-inner-col:before{background-color:var(--global-palette6, #718096);background-image:none;}.kadence-column2461_ac82bf-f0{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_ac82bf-f0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_ac82bf-f0 kb-section-has-link kb-section-has-overlay\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-sm, 1rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, calc(19% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)))minmax(0, calc(62% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)))minmax(0, calc(19% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)));}.kb-row-layout-id2461_7b2557-51{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;overflow:clip;isolation:isolate;}.kb-row-layout-id2461_7b2557-51 > .kt-row-layout-overlay{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-row-layout-id2461_7b2557-51 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}}@media all and (max-width: 1024px){.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id2461_7b2557-51 > .kt-row-column-wrap{grid-template-columns:minmax(0, calc(20% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)))minmax(0, calc(60% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)))minmax(0, calc(20% - ((var(--global-kb-gap-sm, 1rem) * 2 )\/3)));}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_7b2557-51 alignnone kt-row-has-bg wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-3-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-equal kt-row-valign-top\">\n<style>.kadence-column2461_afffce-ab > .kt-inside-inner-col{display:flex;}.kadence-column2461_afffce-ab > .kt-inside-inner-col,.kadence-column2461_afffce-ab > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_afffce-ab > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column2461_afffce-ab > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column2461_afffce-ab > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column2461_afffce-ab > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column2461_afffce-ab{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_afffce-ab > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_afffce-ab{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column2461_afffce-ab{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column2461_afffce-ab{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_afffce-ab > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_afffce-ab\"><div class=\"kt-inside-inner-col\"><style>.kb-image2461_4c0361-d6 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2461_4c0361-d6\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1.webp\" alt=\"Buying collectible minerals\" class=\"kb-img wp-image-6427\" srcset=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1.webp 600w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1-300x300.webp 300w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1-150x150.webp 150w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1-500x500.webp 500w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Mineraux-de-collection-1-100x100.webp 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column2461_dee847-c4 > .kt-inside-inner-col{display:flex;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col,.kadence-column2461_dee847-c4 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column2461_dee847-c4{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_dee847-c4{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column2461_dee847-c4{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column2461_dee847-c4{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_dee847-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_dee847-c4\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e, .wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e[data-kb-block=\"kb-adv-heading2461_db2931-7e\"]{margin-bottom:var(--global-kb-spacing-xxs, 0.5rem);text-align:center;font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e[data-kb-block=\"kb-adv-heading2461_db2931-7e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e[data-kb-block=\"kb-adv-heading2461_db2931-7e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e, .wp-block-kadence-advancedheading.kt-adv-heading2461_db2931-7e[data-kb-block=\"kb-adv-heading2461_db2931-7e\"]{font-size:var(--global-kb-font-size-md, 1.25rem);}}<\/style>\n<p class=\"kt-adv-heading2461_db2931-7e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_db2931-7e\"><strong><strong>Our Minerals and Rough Stones<\/strong><\/strong><\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44, .wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44[data-kb-block=\"kb-adv-heading2461_5e941a-44\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44[data-kb-block=\"kb-adv-heading2461_5e941a-44\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44[data-kb-block=\"kb-adv-heading2461_5e941a-44\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44, .wp-block-kadence-advancedheading.kt-adv-heading2461_5e941a-44[data-kb-block=\"kb-adv-heading2461_5e941a-44\"]{font-size:var(--global-kb-font-size-sm, 0.9rem);}}<\/style>\n<p class=\"kt-adv-heading2461_5e941a-44 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_5e941a-44\">Discover all our collectible minerals and rough stones for lapidary art.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column2461_0ca677-46 > .kt-inside-inner-col{display:flex;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col,.kadence-column2461_0ca677-46 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column2461_0ca677-46{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_0ca677-46{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column2461_0ca677-46{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column2461_0ca677-46{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column2461_0ca677-46 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_0ca677-46\"><div class=\"kt-inside-inner-col\"><style>.kb-image2461_b094da-81 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2461_b094da-81\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes.webp\" alt=\"Rough stones\" class=\"kb-img wp-image-6428\" srcset=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes.webp 600w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes-300x300.webp 300w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes-150x150.webp 150w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes-500x500.webp 500w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2026\/04\/Bruts-pour-la-taille-de-gemmes-100x100.webp 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><a href=\"https:\/\/arvernes-gemmes.com\/en\/products\/collectible-minerals\/\" class=\"kb-section-link-overlay\" aria-label=\"Collectible minerals\"><\/a><\/div>\n<\/div><\/div>\n\n\n<style>.kb-row-layout-id2461_62b826-4a > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_62b826-4a > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_62b826-4a > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_62b826-4a > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_62b826-4a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_62b826-4a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_62b826-4a alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_2e84ef-1e > .kt-inside-inner-col,.kadence-column2461_2e84ef-1e > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_2e84ef-1e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_2e84ef-1e > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_2e84ef-1e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_2e84ef-1e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_2e84ef-1e{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_2e84ef-1e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_2e84ef-1e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_2e84ef-1e\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4, .wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4[data-kb-block=\"kb-adv-heading2461_18b011-e4\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4[data-kb-block=\"kb-adv-heading2461_18b011-e4\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_18b011-e4[data-kb-block=\"kb-adv-heading2461_18b011-e4\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_18b011-e4 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_18b011-e4\"><strong>Crystals: Nature&#8217;s Hidden Wonders<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99, .wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99[data-kb-block=\"kb-adv-heading2461_16617d-99\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99[data-kb-block=\"kb-adv-heading2461_16617d-99\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_16617d-99[data-kb-block=\"kb-adv-heading2461_16617d-99\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_16617d-99 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_16617d-99\">We often associate crystals with sparkling jewelry or precious gemstones, but these fascinating structures are far more present in our daily lives than one might imagine. They can be found in mountain ranges, rock cavities, the objects we use every day, and even in animals and plants. <\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_99f8c2-13 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_99f8c2-13 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_99f8c2-13 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_99f8c2-13 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_99f8c2-13 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_99f8c2-13 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_99f8c2-13 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_e60e51-da > .kt-inside-inner-col,.kadence-column2461_e60e51-da > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_e60e51-da > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_e60e51-da > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_e60e51-da > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_e60e51-da > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_e60e51-da{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_e60e51-da > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_e60e51-da > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_e60e51-da\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1, .wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1[data-kb-block=\"kb-adv-heading2461_9fb47f-c1\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1[data-kb-block=\"kb-adv-heading2461_9fb47f-c1\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_9fb47f-c1[data-kb-block=\"kb-adv-heading2461_9fb47f-c1\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_9fb47f-c1 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_9fb47f-c1\"><strong>What is a Crystal?<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7, .wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7[data-kb-block=\"kb-adv-heading2461_ce2d2d-e7\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7[data-kb-block=\"kb-adv-heading2461_ce2d2d-e7\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_ce2d2d-e7[data-kb-block=\"kb-adv-heading2461_ce2d2d-e7\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_ce2d2d-e7 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_ce2d2d-e7\">A crystal is a solid structure in which atoms, ions, or molecules are arranged in a regular, ordered, and repeating pattern in space. This regular structure influences its physical properties, such as hardness, conductivity, and dispersion, and gives crystals their crystal shape. <\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_f73ab2-d3 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_f73ab2-d3 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_f73ab2-d3 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_f73ab2-d3 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_f73ab2-d3 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_f73ab2-d3 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_f73ab2-d3 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_cf9f59-40 > .kt-inside-inner-col,.kadence-column2461_cf9f59-40 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_cf9f59-40 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_cf9f59-40 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_cf9f59-40 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_cf9f59-40 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_cf9f59-40{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_cf9f59-40 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_cf9f59-40 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_cf9f59-40\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff, .wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff[data-kb-block=\"kb-adv-heading2461_bdc289-ff\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff[data-kb-block=\"kb-adv-heading2461_bdc289-ff\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_bdc289-ff[data-kb-block=\"kb-adv-heading2461_bdc289-ff\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_bdc289-ff wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_bdc289-ff\"><strong>Crystals in caves and mines<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c, .wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c[data-kb-block=\"kb-adv-heading2461_a811ca-1c\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c[data-kb-block=\"kb-adv-heading2461_a811ca-1c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_a811ca-1c[data-kb-block=\"kb-adv-heading2461_a811ca-1c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_a811ca-1c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_a811ca-1c\">Some of the largest crystal formations ever discovered are found deep within the Earth. In Mexico, in the famous Naica Cave, enormous gypsum crystals can be seen, some measuring over 10 meters long. These underground giants formed under very specific conditions of heat, pressure, and humidity hundreds of thousands of years ago.  <\/p>\n\n\n<style>.kb-image2461_899348-58.kb-image-is-ratio-size, .kb-image2461_899348-58 .kb-image-is-ratio-size{max-width:535px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_899348-58.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_899348-58 .kb-image-is-ratio-size{align-self:unset;}.kb-image2461_899348-58 figure{max-width:535px;}.kb-image2461_899348-58 .image-is-svg, .kb-image2461_899348-58 .image-is-svg img{width:100%;}.kb-image2461_899348-58 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2461_899348-58\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica.webp\" class=\"kb-advanced-image-link\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica.webp\" alt=\"Crystal definition in gemology\" class=\"kb-img wp-image-2298\" srcset=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica.webp 1024w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica-300x200.webp 300w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica-768x512.webp 768w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/2-Cristaux-grotte-de-Naica-600x400.webp 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption><em>Crystals from the Naica cave, \u00a9 Alexander Van Driessche, CC BY 3.0, via Wikimedia Commons<\/em><\/figcaption><\/figure><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_8c8778-7e > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_8c8778-7e > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_8c8778-7e > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_8c8778-7e > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_8c8778-7e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_8c8778-7e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_8c8778-7e alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col,.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_5dc5ad-6f{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_5dc5ad-6f > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_5dc5ad-6f\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19, .wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19[data-kb-block=\"kb-adv-heading2461_e5d57d-19\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19[data-kb-block=\"kb-adv-heading2461_e5d57d-19\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_e5d57d-19[data-kb-block=\"kb-adv-heading2461_e5d57d-19\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_e5d57d-19 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_e5d57d-19\"><strong>Crystals in food<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e, .wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e[data-kb-block=\"kb-adv-heading2461_6b8f12-6e\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e[data-kb-block=\"kb-adv-heading2461_6b8f12-6e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_6b8f12-6e[data-kb-block=\"kb-adv-heading2461_6b8f12-6e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_6b8f12-6e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_6b8f12-6e\">Crystals are even found on our plates. <strong>Table salt<\/strong>, for example, is a mineral called halite, composed of sodium chloride. Its small cubic grains are easily visible to the naked eye. <strong>Sugar<\/strong>, too, forms crystals. If you let sugar water evaporate slowly, you\u2019ll see translucent crystals form.    <\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_a42434-e6 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_a42434-e6 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_a42434-e6 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_a42434-e6 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_a42434-e6 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_a42434-e6 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_a42434-e6 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_160c72-7b > .kt-inside-inner-col,.kadence-column2461_160c72-7b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_160c72-7b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_160c72-7b > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_160c72-7b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_160c72-7b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_160c72-7b{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_160c72-7b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_160c72-7b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_160c72-7b\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02, .wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02[data-kb-block=\"kb-adv-heading2461_1df662-02\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02[data-kb-block=\"kb-adv-heading2461_1df662-02\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_1df662-02[data-kb-block=\"kb-adv-heading2461_1df662-02\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_1df662-02 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_1df662-02\"><strong>Crystals in technology<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65, .wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65[data-kb-block=\"kb-adv-heading2461_0c5af3-65\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65[data-kb-block=\"kb-adv-heading2461_0c5af3-65\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_0c5af3-65[data-kb-block=\"kb-adv-heading2461_0c5af3-65\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_0c5af3-65 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_0c5af3-65\">Crystals are not only beautiful, they are also useful. Quartz, the most common mineral on the continental shelf (~12%), is used in watches, computers, and cell phones thanks to its piezoelectric properties: when subjected to pressure, it produces a small electrical charge. This is what allows quartz watches to keep time with such precision.  <\/p>\n\n\n<style>.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col{display:flex;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col,.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col{flex-direction:column;align-items:center;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col > .kb-image-is-ratio-size{align-self:stretch;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col > .wp-block-kadence-advancedgallery{align-self:stretch;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_2dd5dd-48{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}@media all and (max-width: 767px){.kadence-column2461_2dd5dd-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;align-items:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_2dd5dd-48\"><div class=\"kt-inside-inner-col\"><style>.kb-image2461_4cd394-b5.kb-image-is-ratio-size, .kb-image2461_4cd394-b5 .kb-image-is-ratio-size{max-width:526px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_4cd394-b5.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_4cd394-b5 .kb-image-is-ratio-size{align-self:unset;}.kb-image2461_4cd394-b5 figure{max-width:526px;}.kb-image2461_4cd394-b5 .image-is-svg, .kb-image2461_4cd394-b5 .image-is-svg img{width:100%;}.kb-image2461_4cd394-b5 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2461_4cd394-b5\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Resonateur-a-Quartz.webp\" class=\"kb-advanced-image-link\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"375\" src=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Resonateur-a-Quartz.webp\" alt=\"Quartz Resonator\" class=\"kb-img wp-image-2300\" srcset=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Resonateur-a-Quartz.webp 640w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Resonateur-a-Quartz-300x176.webp 300w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Resonateur-a-Quartz-600x352.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption><em>Quartz resonator, used as a timing component in quartz watches and clocks, public domain via Wikimedia Commons<\/em><\/figcaption><\/figure><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_32ae6f-38 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_32ae6f-38 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_32ae6f-38 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_32ae6f-38 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_32ae6f-38 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_32ae6f-38 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_32ae6f-38 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_0b6c57-74 > .kt-inside-inner-col,.kadence-column2461_0b6c57-74 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_0b6c57-74 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_0b6c57-74 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_0b6c57-74 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_0b6c57-74 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_0b6c57-74{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_0b6c57-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_0b6c57-74 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_0b6c57-74\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea, .wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea[data-kb-block=\"kb-adv-heading2461_895b05-ea\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea[data-kb-block=\"kb-adv-heading2461_895b05-ea\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_895b05-ea[data-kb-block=\"kb-adv-heading2461_895b05-ea\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_895b05-ea wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_895b05-ea\"><strong>Crystals in animals and plants<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c, .wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c[data-kb-block=\"kb-adv-heading2461_14075f-1c\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c[data-kb-block=\"kb-adv-heading2461_14075f-1c\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_14075f-1c[data-kb-block=\"kb-adv-heading2461_14075f-1c\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_14075f-1c wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_14075f-1c\">Some animals produce crystals themselves, as evidenced by bird eggshells. Composed of 95% calcium carbonate (CaCO\u2083), these shells are made up of crystalline cones called calcite, which are oriented outward, giving them remarkable strength. Certain plants produce calcium oxalate crystals in the form of fine needles called raphides, which protect the plant by irritating the tissues of herbivores that try to eat them.  <\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column2461_962f4e-48 > .kt-inside-inner-col,.kadence-column2461_962f4e-48 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_962f4e-48 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_962f4e-48 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_962f4e-48 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_962f4e-48 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_962f4e-48{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_962f4e-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_962f4e-48 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_962f4e-48\"><div class=\"kt-inside-inner-col\"><style>.kb-image2461_474c8d-2e.kb-image-is-ratio-size, .kb-image2461_474c8d-2e .kb-image-is-ratio-size{max-width:560px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_474c8d-2e.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image2461_474c8d-2e .kb-image-is-ratio-size{align-self:unset;}.kb-image2461_474c8d-2e figure{max-width:560px;}.kb-image2461_474c8d-2e .image-is-svg, .kb-image2461_474c8d-2e .image-is-svg img{width:100%;}.kb-image2461_474c8d-2e .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image2461_474c8d-2e\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium.webp\" class=\"kb-advanced-image-link\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium.webp\" alt=\"Calcium oxalate crystals\" class=\"kb-img wp-image-2297\" srcset=\"https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium.webp 1024w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium-300x225.webp 300w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium-768x576.webp 768w, https:\/\/arvernes-gemmes.com\/wp-content\/uploads\/2025\/11\/Cristaux-doxaloacetate-de-calcium-600x450.webp 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption><em>600x microscope image of raphides from liquefied variegated ivy, CC0 1.0 Universal, via Wikimedia Commons<\/em><\/figcaption><\/figure><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_a41175-e2 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_a41175-e2 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_a41175-e2 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_a41175-e2 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_a41175-e2 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_a41175-e2 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_a41175-e2 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col,.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_c9d6cb-a8{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_c9d6cb-a8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_c9d6cb-a8\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf, .wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf[data-kb-block=\"kb-adv-heading2461_25c973-cf\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf[data-kb-block=\"kb-adv-heading2461_25c973-cf\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_25c973-cf[data-kb-block=\"kb-adv-heading2461_25c973-cf\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_25c973-cf wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_25c973-cf\"><strong>Crystals in space<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d, .wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d[data-kb-block=\"kb-adv-heading2461_5b945f-3d\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d[data-kb-block=\"kb-adv-heading2461_5b945f-3d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_5b945f-3d[data-kb-block=\"kb-adv-heading2461_5b945f-3d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_5b945f-3d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_5b945f-3d\">Crystals are not limited to Earth. Scientists have discovered that some stardust, recovered from meteorites or observed in interstellar clouds, is made up of crystalline minerals such as olivine or pyroxene. This shows that crystals form under the extreme conditions of the universe.  <\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id2461_4fdd47-e1 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id2461_4fdd47-e1 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id2461_4fdd47-e1 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:0px;padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id2461_4fdd47-e1 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id2461_4fdd47-e1 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id2461_4fdd47-e1 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id2461_4fdd47-e1 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column2461_d5925e-f1 > .kt-inside-inner-col,.kadence-column2461_d5925e-f1 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column2461_d5925e-f1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column2461_d5925e-f1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column2461_d5925e-f1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column2461_d5925e-f1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column2461_d5925e-f1{position:relative;}@media all and (max-width: 1024px){.kadence-column2461_d5925e-f1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column2461_d5925e-f1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column2461_d5925e-f1\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3, .wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3[data-kb-block=\"kb-adv-heading2461_103853-e3\"]{font-size:var(--global-kb-font-size-md, 1.25rem);font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3[data-kb-block=\"kb-adv-heading2461_103853-e3\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_103853-e3[data-kb-block=\"kb-adv-heading2461_103853-e3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading2461_103853-e3 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_103853-e3\"><strong>Summary<\/strong><\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb, .wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb[data-kb-block=\"kb-adv-heading2461_4b4927-fb\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb[data-kb-block=\"kb-adv-heading2461_4b4927-fb\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading2461_4b4927-fb[data-kb-block=\"kb-adv-heading2461_4b4927-fb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading2461_4b4927-fb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading2461_4b4927-fb\">Crystals are much more than mere decorative objects. Their beauty hides a fascinating complexity, and their presence extends far beyond jewelry stores and shops. Whether found in a cave, a watch, food, or a distant star, crystals bear witness to the hidden order in matter and the ingenuity of nature.  <\/p>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>What is a crystal ? Our Minerals and Rough Stones Discover all our collectible minerals and rough stones for lapidary art. Crystals: Nature&#8217;s Hidden Wonders We often associate crystals with sparkling jewelry or precious gemstones, but these fascinating structures are far more present in our daily lives than one might imagine. They can be found&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2298,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"left","_kad_post_sidebar_id":"sidebar-secondary","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"wf_page_folders":[227],"class_list":["post-2461","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/pages\/2461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/comments?post=2461"}],"version-history":[{"count":0,"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/pages\/2461\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/media\/2298"}],"wp:attachment":[{"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/media?parent=2461"}],"wp:term":[{"taxonomy":"wf_page_folders","embeddable":true,"href":"https:\/\/arvernes-gemmes.com\/en\/wp-json\/wp\/v2\/wf_page_folders?post=2461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}