{"product_id":"natural-black-rutilated-quartz-hexagon-faceted-3-915-ct-9-9-9-9-6-2-mm","title":"Natural Black Rutilated Quartz – Hexagon Faceted – 3.915 ct – 9.9 × 9.9 × 6.2 mm","description":"\u003cdiv class=\"product__title\"\u003e\n\u003cdiv class=\"Polaris-Breadcrumbs__BreadcrumbsStack\" aria-label=\"Breadcrumbs for Products\" role=\"navigation\"\u003e\n\u003cdiv class=\"Polaris-Breadcrumbs__IconWithTitle\"\u003e\n\u003cdiv id=\"page-title\" class=\"Polaris-Breadcrumbs__PageTitle\"\u003e\n\u003cp data-start=\"265\" data-end=\"349\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"265\" data-end=\"349\"\u003eNatural Black Rutilated Quartz – Hexagon Faceted – 3.915 ct – 9.9 × 9.9 × 6.2 mm\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"Polaris-Header-Title__TitleMetadata\"\u003e\n\u003cdiv class=\"Polaris-InlineStack\"\u003e\n\u003cdiv class=\"badge size-base tone-info color-base\"\u003e\n\u003cp data-start=\"484\" data-end=\"534\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThis gemstone has several premium characteristics:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"535\" data-end=\"780\"\u003e\n\u003cli data-section-id=\"xxhvwx\" data-start=\"535\" data-end=\"569\"\u003e✔ Natural Black Rutilated Quartz\u003c\/li\u003e\n\u003cli data-section-id=\"189etd1\" data-start=\"570\" data-end=\"604\"\u003e✔ Attractive hexagon fantasy cut\u003c\/li\u003e\n\u003cli data-section-id=\"1xsa2bl\" data-start=\"605\" data-end=\"665\"\u003e✔ Large and clear visible rutile needles\u003c\/li\u003e\n\u003cli data-section-id=\"1so16uo\" data-start=\"666\" data-end=\"708\"\u003e✔ Good transparancy despite the inclusions\u003c\/li\u003e\n\u003cli data-section-id=\"1ssoysn\" data-start=\"709\" data-end=\"755\"\u003e✔ Excellent for custom jewelry or collectors\u003c\/li\u003e\n\u003cli data-section-id=\"ot6pw9\" data-start=\"756\" data-end=\"780\"\u003e✔ Weight: \u003cstrong data-start=\"768\" data-end=\"780\"\u003e3.915 ct\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✔ Symmetry: good\u003cstrong data-start=\"768\" data-end=\"780\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv role=\"status\" id=\"price-template--22840081547588__main\"\u003e\n\u003cdiv class=\"price price--large price--show-badge\"\u003e\n\u003cdiv class=\"price__container\"\u003e\n\u003cdiv class=\"price__regular\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate :\u003cspan\u003e F\u003c\/span\u003eA-QUAR026RB-003-501\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cb\u003eGem Type: \u003c\/b\u003eNatural Clear Quartz\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eWeight: \u003c\/b\u003e3.915 Carat\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eShape: \u003c\/b\u003ehexagon, mixed cut\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eSize: \u003c\/b\u003e9.8 x 9.9 x 9.9 x 6.2 mm. (measured on flat sides)\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eColor:  \u003c\/b\u003eclear\/black\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eClarity: \u003c\/b\u003eTransparent\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eLuster: \u003c\/b\u003esubmetallic\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eTreatment: \u003c\/b\u003ecommonly heated to stabilise materials\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cstrong\u003eOptical Phenomenon : \u003c\/strong\u003erutilated ( black titanium dioxide inclusions trapped during the formation of quartz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBirefringence : \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"Yjhzub\"\u003e0.285 to 0.296\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\u003cstrong data-processed=\"true\" class=\"Yjhzub\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-processed=\"true\" data-sfc-cp=\"\" class=\"T286Pc\"\u003e\u003cstrong data-processed=\"true\" class=\"Yjhzub\"\u003eSystem:\u003c!--Sv6Kpe[]--\u003e\u003c\/strong\u003e Tetragonal.\u003cbr\u003e\u003c!--Sv6Kpe[]--\u003e\u003c\/span\u003e\u003c!--Sv6Kpe[]--\u003e\u003cspan data-processed=\"true\" data-sfc-cp=\"\" class=\"T286Pc\"\u003e\u003cstrong data-processed=\"true\" class=\"Yjhzub\"\u003eHabit:\u003c!--Sv6Kpe[]--\u003e\u003c\/strong\u003e Prismatic, acicular (needle-like), often elongated parallel to the c-axis.\u003cbr\u003e\u003c!--Sv6Kpe[]--\u003e\u003c\/span\u003e\u003c!--Sv6Kpe[]--\u003e\u003cstrong\u003e\u003cspan\u003eCrystallography : \u003c\/span\u003e\u003c\/strong\u003eHexagonal (tetragonal)\u003cstrong\u003e\u003cbr\u003e\u003cspan\u003eDispersion : \u003c\/span\u003e\u003c\/strong\u003e0.28 (higher then diamond)\u003cstrong\u003e\u003cbr\u003e\u003cspan\u003eLuster : \u003c\/span\u003e\u003c\/strong\u003eVitreous\u003cstrong\u003e\u003cbr\u003e\u003cspan\u003eHardness : \u003c\/span\u003e\u003c\/strong\u003e7\u003cstrong\u003e\u003cbr\u003e\u003cspan\u003eRefractive index : \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"Yjhzub\"\u003ethe host quartz, typically around 1.544–1.553\u003c\/span\u003e, while the rutile inclusions themselves have a very high RI (2.616–2.903), \u003cstrong\u003e\u003cbr\u003e\u003cspan\u003eSpecific gravity : \u003c\/span\u003e\u003c\/strong\u003e2.651\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/fa-quar026rb-003-501\" target=\"_blank\" title=\"online certificate natural rutile quartz\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cspan\u003eFind the online certificate here\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56924446425412,"sku":"FA-QUAR026RB-003-501","price":156.81,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/1_438a1feb-93cc-4260-9b6c-1289e80ebee8.png?v=1783345356","url":"https:\/\/naturalgemsbelgium.shop\/products\/natural-black-rutilated-quartz-hexagon-faceted-3-915-ct-9-9-9-9-6-2-mm","provider":"Natural Gems Belgium","version":"1.0","type":"link"}