{"product_id":"optical-calcite-cube","title":"Optical Calcite","description":"\u003cdiv class=\"geolens-master-editorial-post\" data-geolens-handle=\"optical-calcite-cube\"\u003e\n\u003cp style=\"display: block !important; visibility: visible !important; opacity: 1 !important; color: #0f172a !important; font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important; font-size: 16px !important; line-height: 1.7 !important; margin: 0 auto 44px auto !important; max-width: 680px !important; text-align: left !important; padding: 0 !important;\" class=\"intro-text\"\u003eDrawn from Iceland's ancient mineral beds, Calcite is collected for its extraordinary internal light splitting—pure crystalline geometric planes forming deep subterranean pockets over millions of years. It is this remarkable geometric formation that makes each specimen worth collecting: no two blocks ever repeat, so every specimen carries its own distinct internal fire.\u003c\/p\u003e\n\u003cdiv style=\"margin: 32px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\u003cimg height=\"264\" width=\"264\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/3653\/3437\/files\/square1_NEW.webp?v=1785122417]\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 32px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan class=\"editorial-image-caption\"\u003e An example of the natural variation in color and pattern flow across this batch.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"geolens-isolated-zone\"\u003e\n\u003cdiv class=\"geolens-fluid-registry-box\"\u003e\n\u003cdiv class=\"wikipedia-infobox-banner main-title-banner\"\u003eOptical Calcite\u003c\/div\u003e\n\u003cdiv class=\"top-index-number\"\u003eENTRY NO. 002\u003c\/div\u003e\n\u003chr class=\"card-internal-divider\"\u003e\n\u003cdiv class=\"wikipedia-infobox-banner sub-title-banner\"\u003eGeneral\u003c\/div\u003e\n\u003cdiv class=\"master-spec-zone\"\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eVariety\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eOptical Calcite\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eMineral Group\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eCarbonates\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003ePattern\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eGeometric step lines\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eTransparency\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eWater-clear transparency\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eEstimated Age\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003e~300 Million Years\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eDeposits\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eIceland, Mexico, \u0026amp; China\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ledger-line\"\u003e\n\u003cspan class=\"ledger-label\"\u003eSurface Texture\u003c\/span\u003e\u003cspan class=\"ledger-value\"\u003eCleaved geometric planes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 44px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\u003cspan class=\"editorial-image-caption\"\u003e\u003cimg height=\"279\" width=\"279\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/3653\/3437\/files\/square2_NEW.webp?v=1785122417\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 44px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\u003cspan class=\"editorial-image-caption\"\u003e An example of how light brings out the subtle surface sheen and natural layers.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 34px;\" class=\"analytical-breakdown-container\"\u003e\n\u003ch2 class=\"editorial-heading-main\"\u003eAnalytical Breakdown Notes\u003c\/h2\u003e\n\u003ch3 class=\"editorial-heading\"\u003ePattern \u0026amp; Transparency \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eThe diagnostic geometric step lines and exceptional transparency develop naturally along internal structural planes as the stone forms. Subtle tension boundaries and thin air gaps within these geometric pathways refract passing illumination, creating vivid rainbow spectrums when held directly to a light source.\u003c\/p\u003e\n\u003ch3 class=\"editorial-heading\"\u003eVariety \u0026amp; Mineral Group \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eThis specimen profile displays a crystalline carbonate structure defined by sharp prismatic facets and high interior clarity. The dense crystalline lattice yields clean structural angles and smooth faces that allow light to pass through with remarkable brilliant intensity.\u003c\/p\u003e\n\u003ch3 class=\"editorial-heading\"\u003eEstimated Age \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eGeological indicators place the primary formation window of these carbonate deposits in the Paleozoic Era, approximately 300 million years before present. Formed through ancient marine sedimentation and subterranean hydrothermal activity, mineral-rich fluids slowly deposited pure mineral layers within calm underground chambers.\u003c\/p\u003e\n\u003ch3 class=\"editorial-heading\"\u003eDeposits \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eThis batch is sourced from premier global geological veins, notably major historical deposits across Iceland, Mexico, and China. Natural trace mineral variations during growth determine whether individual blocks remain completely water-clear or present subtle, warm prismatic highlights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 44px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\u003cimg height=\"279\" width=\"279\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/3653\/3437\/files\/square3_NEW.webp?v=1785122418\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin: 32px 0 32px 0; text-align: center;\" class=\"editorial-image-block\"\u003e\n\u003cspan class=\"editorial-image-caption\"\u003e A detailed view showing how direct light interacts with internal depth and surface sheen.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 34px;\" class=\"order-information-container\"\u003e\n\u003ch2 class=\"editorial-heading-main\"\u003eOrder Information\u003c\/h2\u003e\n\u003ch3 class=\"editorial-heading\"\u003eShipping \u0026amp; Delivery \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"text-align: left;\" class=\"editorial-paragraph\"\u003eOrders are processed and shipped within 3 business days. Every package includes a tracking number sent directly to your email as soon as the shipment is labeled. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eEstimated Delivery Windows:\u003c\/strong\u003e\n\u003cul style=\"margin: 10px 0 0 0; padding-left: 20px; list-style-type: disc;\"\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eUnited States: 8 to 12 Business Days\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eUnited Kingdom: 10 to 12 Business Days\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eCanada: 10 to 15 Business Days\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eAustralia \u0026amp; New Zealand: 10 to 15 Business Days\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003eInternational \/ Rest of World: 10 to 15 Business Days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"editorial-heading\"\u003ePackaging \u0026amp; Protection \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eWe protect every specimen carefully using high-density foam padding. This prevents fragile crystal structures or polished surfaces from shifting, chipping, or cracking while on the way to you.\u003c\/p\u003e\n\u003ch3 class=\"editorial-heading\"\u003eVerified Suppliers Only \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eWe partner exclusively with trusted sources who meet our strict ethical and quality standards.\u003c\/p\u003e\n\u003ch3 class=\"editorial-heading\"\u003eSizing \u0026amp; Measurements \u003cspan class=\"accordion-arrow\"\u003e►\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp class=\"editorial-paragraph\"\u003eDimensions are taken at the widest points of the stone, and weights are measured to the exact gram. Because these are natural geological pieces, minor variations in texture, pattern, and shape are completely normal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .geolens-master-editorial-post { max-width: 680px; margin: 0 auto; font-family: 'Inter', -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif; color: #0f172a; line-height: 1.7; box-sizing: border-box; padding: 24px 16px; }\n  .geolens-master-editorial-post .intro-text { display: block !important; font-size: 16px; color: #0f172a; margin-bottom: 44px; line-height: 1.7; }\n  .geolens-master-editorial-post .editorial-heading-main { font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: #0f172a; margin: 54px 0 24px 0; padding-bottom: 8px; border-bottom: 1px solid #0f172a; }\n  .geolens-master-editorial-post .editorial-heading { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #0f172a; margin: 0; padding: 16px 4px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #f1f5f9; user-select: none; transition: color 0.1s ease; }\n  .geolens-master-editorial-post .editorial-heading:hover { color: #ff6b00; }\n  .geolens-master-editorial-post .accordion-arrow { font-size: 10px; color: #94a3b8; }\n  .geolens-master-editorial-post .editorial-paragraph { display: none; font-size: 15px; color: #334155; padding: 14px 4px 18px 4px; margin: 0; border-bottom: 1px solid #f1f5f9; text-align: justify; box-sizing: border-box; }\n  #geolens-isolated-zone { width: 100% !important; display: flex !important; justify-content: center !important; margin: 44px auto 24px auto !important; max-width: 680px !important; box-sizing: border-box !important; font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif !important; }\n  #geolens-isolated-zone .geolens-fluid-registry-box { width: 100% !important; max-width: 460px !important; border: 1px solid #0f172a !important; padding: 28px !important; background-color: #ffffff !important; box-opacity: hidden !important; overflow: hidden !important; }\n  #geolens-isolated-zone .wikipedia-infobox-banner { background-color: #ff6b00 !important; color: #ffffff !important; text-align: center !important; letter-spacing: 0.02em !important; margin: 0 0 16px 0 !important; box-sizing: border-box !important; display: block !important; padding: 3px 10px !important; line-height: 1.2 !important; }\n  #geolens-isolated-zone .main-title-banner { font-size: 15px !important; font-weight: 700 !important; margin-bottom: 4px !important; }\n  #geolens-isolated-zone .sub-title-banner { font-size: 13px !important; font-weight: 700 !important; }\n  #geolens-isolated-zone .top-index-number { text-align: left !important; padding: 0 4px !important; font-family: monospace !important; font-size: 10px !important; font-weight: 600 !important; color: #64748b !important; letter-spacing: 0.04em !important; margin: 8px 0 14px 0 !important; }\n  #geolens-isolated-zone .card-internal-divider { border: none !important; border-top: 1px dashed #cbd5e1 !important; margin: 14px 4px !important; height: 1px !important; }\n  #geolens-isolated-zone .master-spec-zone { padding: 0 4px !important; margin-bottom: 0px !important; }\n  #geolens-isolated-zone .ledger-line { display: flex !important; justify-content: space-between !important; align-items: baseline !important; padding: 7px 0 !important; font-size: 13px !important; border: none !important; }\n  #geolens-isolated-zone .ledger-label { color: #475569 !important; font-weight: 700 !important; }\n  #geolens-isolated-zone .ledger-value { font-weight: 500 !important; color: #0f172a !important; text-align: right !important; }\n  .editorial-image-block .editorial-image-caption { font-family: Menlo, Monaco, Consolas, monospace !important; text-align: left !important; max-width: 680px; margin: 0 auto; padding: 0 4px; box-sizing: border-box; font-size: 11px; color: #64748b; line-height: 1.5; }\n\u003c\/style\u003e\n\u003cscript\u003e\n  (function() {\n    function geolensAccordionHandler(e) {\n      const heading = e.target.closest('.geolens-master-editorial-post .editorial-heading');\n      if (!heading) return;\n      const paragraph = heading.nextElementSibling;\n      const arrow = heading.querySelector('.accordion-arrow');\n      if (paragraph \u0026\u0026 paragraph.classList.contains('editorial-paragraph')) {\n        const isCurrentlyVisible = window.getComputedStyle(paragraph).display === 'block';\n        if (isCurrentlyVisible) {\n          paragraph.style.display = 'none';\n          if (arrow) arrow.textContent = '►';\n        } else {\n          paragraph.style.display = 'block';\n          if (arrow) arrow.textContent = '▼';\n        }\n      }\n    }\n    document.removeEventListener('click', geolensAccordionHandler);\n    document.addEventListener('click', geolensAccordionHandler);\n  })();\n\u003c\/script\u003e","brand":"Geo Lens","offers":[{"title":"20-50g (~1.18-1.58 in)","offer_id":47637038334141,"sku":"14:29#calcite;200000196:1071#20-50g 1pc","price":11.99,"currency_code":"USD","in_stock":true},{"title":"50-100g (~1.57-1.99 in)","offer_id":47637038432445,"sku":"14:29#calcite;200000196:2641#50-100g 1pc","price":16.99,"currency_code":"USD","in_stock":true},{"title":"100-200g (~1.97-2.39 in)","offer_id":47637038399677,"sku":"14:29#calcite;200000196:3210#100-200g 1pc","price":29.99,"currency_code":"USD","in_stock":true},{"title":"200g+ (~2.2-3.0 in)","offer_id":47637038366909,"sku":"14:29#calcite;200000196:1181#Above 200g 1pc","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3653\/3437\/files\/S4a28cc80dff6491590a7247dae17b8bfk.webp?v=1783913877","url":"https:\/\/geolensweb.com\/products\/optical-calcite-cube","provider":"Geo Lens","version":"1.0","type":"link"}