{"product_id":"medium-translucent-optical-calcite-icelandic-spar","title":"Optical Calcite | Icelandic Spar | Medium","description":"\u003cp\u003e\u003cstrong\u003eMedium Translucent Optical Calcite Crystal (Icelandic Spar)\u003c\/strong\u003e is a natural rough optical calcite specimen with a beautiful translucent quality — not fully clear, not opaque, but softly luminous with a gentle inner glow. Natural rainbows are visible inside the crystal, catching and scattering light.y. Optical calcite, also known as Icelandic Spar, is known for its double refraction, the ability to split light into two beams, creating a doubling effect when placed over text or images. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Makes This Translucent Optical Calcite Special:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNatural rough optical calcite (Icelandic Spar) with a soft, translucent quality\u003c\/li\u003e\n\u003cli\u003eNot fully clear, not opaque — a beautifully luminous middle ground\u003c\/li\u003e\n\u003cli\u003eStunning natural rainbows visible inside the crystal, softly diffused by the translucency\u003c\/li\u003e\n\u003cli\u003ePowerful double refraction — splits light into two beams, a fascinating natural optical phenomenon\u003c\/li\u003e\n\u003cli\u003eMedium size at approximately 4.4 oz, a beautiful and versatile display piece\u003c\/li\u003e\n\u003cli\u003eRaw, unpolished natural formation with beautiful natural cleavage planes\u003c\/li\u003e\n\u003cli\u003eOne-of-a-kind natural optical calcite specimen\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Use Your Translucent Optical Calcite:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlace on a shelf or altar where light can pass through and illuminate the natural rainbows\u003c\/li\u003e\n\u003cli\u003eHold up to light to observe the double refraction and softly diffused rainbow effect\u003c\/li\u003e\n\u003cli\u003eUse in meditation spaces to encourage clarity, calm, and amplified intention\u003c\/li\u003e\n\u003cli\u003eA fascinating conversation piece and collectible specimen for crystal lovers and mineral enthusiasts\u003c\/li\u003e\n\u003cli\u003eA meaningful and beautiful gift for crystal enthusiasts and anyone drawn to rare natural optical phenomena\u003c\/li\u003e\n\u003cli\u003ePairs beautifully with clear quartz, selenite, and other luminous white and clear crystals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCrystal Details:\u003c\/strong\u003e\u003cbr\u003eThis is a natural optical calcite (Icelandic Spar) specimen. Translucency, rainbow placement, and natural cleavage patterns will vary as each piece is naturally formed. Photos shown are of the actual crystal available.\u003c\/p\u003e","brand":"Rock This Way Crystal Shop","offers":[{"title":"Default Title","offer_id":53162868113702,"sku":"ICELANDIC-SPAR-D-5","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/8293\/9686\/files\/ICELANDIC-SPAR-OPTICAL-CALCITE-SIDE-ANGLE.jpg?v=1778880226","url":"https:\/\/www.rockthiswaycrystalshop.com\/products\/medium-translucent-optical-calcite-icelandic-spar","provider":"Rock This Way Crystal Shop","version":"1.0","type":"link"}