{"product_id":"title-tigers-eye-slab-e-natural-south-africa","title":"Title Tiger's eye slab (E) — natural, South Africa","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eA polished slab in natural tiger's eye colour, untreated.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWorth knowing what that rules out. Red tiger's eye is not a separate variety found in the ground; it is ordinary tiger's eye that has been gently heated until the iron in it changes colour. Stones that come out too dark are lightened with nitric acid. Both are routine, both are usually sold without mention, and neither has been done here.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe colour on this slab is the colour it came out of the rock with.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTiger's eye (a variety name, not an IMA species), quartz (SiO₂) with fibrous riebeckite (crocidolite)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eNorthern Cape, South Africa\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 6.5 to 7 on the Mohs scale; durable, though the polished face dulls if knocked about\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eNone to the stone. Resin stabiliser applied around the edges\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e7.8 x 1.28 x 27 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e555 g\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eDo not cut, grind or sand it. The fibres running through tiger's eye are crocidolite, locked into the quartz and inert in a finished slab, but power tools release them as dust.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":59117654868312,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/tes-e-1.jpg?v=1794588512","url":"https:\/\/thecrystalshowroom.com\/products\/title-tigers-eye-slab-e-natural-south-africa","provider":"The Crystal Showroom","version":"1.0","type":"link"}