{"product_id":"amethyst-cathedral-a-natural-brazil","title":"Amethyst cathedral (A) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003eCut from a geode that opened into two halves, and this is one of them.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe thick banded agate running round the opening is the oldest material on the piece, laid down long before any crystal formed. It built up against the cavity wall, which is why the pattern wraps the edge rather than sitting in the middle. Two of these exist and there will never be a third.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe back and base are cemented and the outside painted dark, which is done to every cathedral on the market and almost never mentioned. The crystal itself is untouched.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eBrazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e7 on the Mohs scale; hard, though individual crystal tips chip easily\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eNone to the amethyst. Backing, base and exterior are cemented and painted, standard practice for cut geodes\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 24 x 15 x 31 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 10.35 kg                                                                                                                                        \u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back\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":58645871034712,"sku":null,"price":340.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/acb-a-1_f74023b5-944a-41bb-8efd-42848a360313.jpg?v=1791139882","url":"https:\/\/thecrystalshowroom.com\/products\/amethyst-cathedral-a-natural-brazil","provider":"The Crystal Showroom","version":"1.0","type":"link"}