{"product_id":"calcite-optique-cristal-poli-de-50-x-47-x-33-mm-135-3-gr","title":"Optical calcite, polished crystal of 50 x 47 x 33 mm - 135.3 g.","description":"\u003cp\u003e \u003cstrong\u003eAbout the product:\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e🪨\u003c\/span\u003e \u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e\u003c\/span\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e\u003c\/span\u003e Mineral type: Optical calcite\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e\u003c\/span\u003e \u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e🌍\u003c\/span\u003e \u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e⛏️\u003c\/span\u003e Origin: Madagascar\u003c\/p\u003e\n\n \u003cp\u003e📐 Dimensions: 50 millimeters long x 47 wide x 33 high\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e⚖️\u003c\/span\u003e Weight\u003cspan style=\"box-sizing: border-box; -webkit-font-smoothing: antialiased;\"\u003e \u003c\/span\u003e: 135.3 grams\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -apple-system-font; font-size: medium; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e✨\u003c\/span\u003e\u003c\/span\u003e Finish: Polished\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e🔬\u003c\/span\u003e Treatment: None\u003c\/p\u003e\n\n\u003cp\u003e 📜 Certificate: Zen Curiosity\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;\"\u003e🎁\u003c\/span\u003e Ideal as a gift or a treat for yourself! \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;\" data-end=\"145\" data-start=\"105\"\u003e 📑 Mineralogical sheet \u003c\/h3\u003e\n\n\u003ctable\u003e\n\n\u003cthead data-end=\"114\" data-start=\"83\"\u003e\n\n\u003ctr data-end=\"114\" data-start=\"83\"\u003e\n\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"99\" data-start=\"83\"\u003e \u003cstrong data-end=\"98\" data-start=\"85\"\u003eProperty\u003c\/strong\u003e\n\u003c\/th\u003e\n\n \u003cth class=\"\" data-col-size=\"xl\" data-end=\"114\" data-start=\"99\"\u003e\n\u003cstrong data-end=\"112\" data-start=\"101\"\u003eDetails\u003c\/strong\u003e \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"190\" data-start=\"146\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"156\" data-start=\"146\"\u003e\u003cstrong data-end=\"155\" data-start=\"148\"\u003eName\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"190\" data-start=\"156\"\u003e Optical calcite \/ Iceland Spar \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"241\" data-start=\"191\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"209\" data-start=\"191\"\u003e\u003cstrong data-end=\"208\" data-start=\"193\"\u003eComposition\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"241\" data-start=\"209\"\u003e Calcium carbonate (CaCO₃) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"270\" data-start=\"242\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"256\" data-start=\"242\"\u003e\u003cstrong data-end=\"255\" data-start=\"244\"\u003eFamily\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-end=\"270\" data-start=\"256\" data-col-size=\"xl\"\u003e Carbonates \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"324\" data-start=\"271\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"285\" data-start=\"271\"\u003e\u003cstrong data-end=\"284\" data-start=\"273\"\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"324\" data-start=\"285\"\u003e Colorless, perfectly transparent \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"350\" data-start=\"325\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"345\" data-start=\"325\"\u003e\u003cstrong data-end=\"344\" data-start=\"327\"\u003eHardness (Mohs)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-end=\"350\" data-start=\"345\" data-col-size=\"xl\"\u003e 3 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"379\" data-start=\"351\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"365\" data-start=\"351\"\u003e\u003cstrong data-end=\"364\" data-start=\"353\"\u003eDensity\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"379\" data-start=\"365\"\u003e 2.71 g\/cm³ \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"433\" data-start=\"380\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"405\" data-start=\"380\"\u003e\u003cstrong data-end=\"404\" data-start=\"382\"\u003eCrystalline system\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"433\" data-start=\"405\"\u003e Trigonal (rhombohedral) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"457\" data-start=\"434\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"446\" data-start=\"434\"\u003e\u003cstrong data-end=\"445\" data-start=\"436\"\u003eGlow\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"457\" data-start=\"446\"\u003e Glassy \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"492\" data-start=\"458\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"477\" data-start=\"458\"\u003e\u003cstrong data-end=\"476\" data-start=\"460\"\u003eTransparency\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"492\" data-start=\"477\"\u003e Transparent \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"548\" data-start=\"493\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"507\" data-start=\"493\"\u003e\u003cstrong data-end=\"506\" data-start=\"495\"\u003eCleavage\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"548\" data-start=\"507\"\u003e Perfect, rhombohedral (3 directions) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"593\" data-start=\"549\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"564\" data-start=\"549\"\u003e\u003cstrong data-end=\"563\" data-start=\"551\"\u003eFracture\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"593\" data-start=\"564\"\u003e Conchoidal to irregular \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"41\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"688\" data-start=\"594\"\u003e\n\n\u003ctd style=\"width: 23.8745%;\" data-col-size=\"sm\" data-end=\"620\" data-start=\"594\"\u003e \u003cstrong data-end=\"619\" data-start=\"596\"\u003eOrigin \/ Deposits\u003c\/strong\u003e\n\u003c\/td\u003e\n\n \u003ctd style=\"width: 73.8252%;\" data-col-size=\"xl\" data-end=\"688\" data-start=\"620\"\u003eIceland (historical deposit), Mexico, United States, Morocco, China \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"38\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"765\" data-start=\"689\"\u003e\n\n\u003ctd style=\"width: 15.5642%;\" data-col-size=\"sm\" data-end=\"705\" data-start=\"689\"\u003e \u003cstrong data-end=\"704\" data-start=\"691\"\u003eTraining\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 82.1354%;\" data-col-size=\"xl\" data-end=\"765\" data-start=\"705\"\u003e Limestone sedimentary rocks and hydrothermal cavities \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"59\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"895\" data-start=\"766\"\u003e\n\n\u003ctd style=\"width: 14.7859%;\" data-col-size=\"sm\" data-end=\"786\" data-start=\"766\"\u003e \u003cstrong data-end=\"785\" data-start=\"768\"\u003eSpecial feature\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 82.9137%;\" data-col-size=\"xl\" data-end=\"895\" data-start=\"786\"\u003e Very pronounced double refraction (birefringence): an object observed through the crystal appears doubled \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"41\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"991\" data-start=\"896\"\u003e\n\n\u003ctd style=\"width: 28.2262%;\" data-col-size=\"sm\" data-end=\"927\" data-start=\"896\"\u003e \u003cstrong data-end=\"926\" data-start=\"898\"\u003eScientific use\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 69.4734%;\" data-col-size=\"xl\" data-end=\"991\" data-start=\"927\"\u003e Study of light polarization, optical instruments \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"42\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"1086\" data-start=\"992\"\u003e\n\n\u003ctd style=\"width: 23.5533%;\" data-col-size=\"sm\" data-end=\"1019\" data-start=\"992\"\u003e \u003cstrong data-end=\"1018\" data-start=\"994\"\u003eCommon use\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 74.1464%;\" data-col-size=\"xl\" data-end=\"1086\" data-start=\"1019\"\u003e Mineralogical collection, educational demonstration, meditation \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"103\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"1261\" data-start=\"1087\"\u003e\n\n\u003ctd style=\"width: 38.2726%;\" data-col-size=\"sm\" data-end=\"1116\" data-start=\"1087\"\u003e \u003cstrong data-end=\"1115\" data-start=\"1089\"\u003eProperties \/ Lithotherapy\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 59.4271%;\" data-col-size=\"xl\" data-end=\"1261\" data-start=\"1116\"\u003e - Mental clarity and concentration 🧠\u003cbr\u003e - Energy amplification\u003cbr\u003e - Decision-making support\u003cbr\u003e - Elevation of consciousness \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%;\" height=\"41\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"1341\" data-start=\"1262\"\u003e\n\n\u003ctd style=\"width: 17.5318%;\" data-col-size=\"sm\" data-end=\"1281\" data-start=\"1262\"\u003e \u003cstrong data-end=\"1280\" data-start=\"1264\"\u003ePurification\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 80.1679%;\" data-col-size=\"xl\" data-end=\"1341\" data-start=\"1281\"\u003e Quickly clear water (without prolonged immersion), fumigation \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable style=\"width: 99.9913%; height: 44px;\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr style=\"height: 19.6px;\" data-end=\"1413\" data-start=\"1342\"\u003e\n\n\u003ctd style=\"width: 23.6458%; height: 19.6px;\" data-col-size=\"sm\" data-end=\"1361\" data-start=\"1342\"\u003e \u003cstrong data-end=\"1360\" data-start=\"1344\"\u003eReloading\u003c\/strong\u003e\n\u003c\/td\u003e\n\n \u003ctd style=\"width: 74.0538%; height: 19.6px;\" data-col-size=\"xl\" data-end=\"1413\" data-start=\"1361\"\u003e Soft moonlight or sunlight, quartz cluster \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr data-end=\"1704\" data-start=\"1495\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1528\" data-start=\"1495\"\u003e \u003cstrong data-end=\"1527\" data-start=\"1497\"\u003eShort story \/ Anecdote\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"xl\" data-end=\"1704\" data-start=\"1528\"\u003e Discovered in Iceland in the 17th century, optical calcite played a major role in the development of modern optics through the study of the polarization of light.\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e","brand":"Zen Curiosity","offers":[{"title":"Default Title","offer_id":56764450668892,"sku":null,"price":14.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0882\/0146\/2108\/files\/IMG_8319_29a03430-0e81-47b8-9edb-5486659334e0.jpg?v=1771450078","url":"https:\/\/www.zencuriosity.com\/en\/products\/calcite-optique-cristal-poli-de-50-x-47-x-33-mm-135-3-gr","provider":"Zen Curiosity (ex. Gem \u0026 Zen)","version":"1.0","type":"link"}