{"product_id":"pyrite-cluster-c-natural-peru","title":"Pyrite cluster (C) — natural, Peru","description":"\u003cp dir=\"ltr\"\u003eA cluster of interlocking pyrite crystals with flat reflective faces and sharp edges.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe thing people notice first is that it looks manufactured. Faces meet at clean angles, edges run straight, and the surfaces are flat enough to throw a reflection. Nothing cut it. Pyrite's atoms stack in a cubic arrangement, and when a crystal has room to grow undisturbed the external shape simply reports that internal geometry outward.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe same mineral can finish as a cube, as a twelve-sided pyritohedron, or as an octahedron, depending on the conditions it grew in, and a single cluster often carries more than one. Look closely at the flat faces and you will usually find fine parallel lines across them. Those striations run in different directions on adjoining faces, and they are one of the quickest ways to tell pyrite apart from gold, which has no crystal faces like this and no striations at all.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003ePyrite (iron sulfide, FeS₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eCubic\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003ePeru\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e6 to 6.5 on the Mohs scale; hard, but brittle, and crystal edges chip rather than scratch\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.5 x 6.9 x 8.9 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 425 g                                                                                                                                          \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eKeep it somewhere dry. Pyrite reacts slowly with oxygen and moisture, and the reaction produces sulphuric acid, which is what damages a neglected specimen over time. Do not seal or varnish it. That traps moisture in rather than keeping it out, and makes the problem worse.\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":58642720915800,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/pcp-c-1.jpg?v=1791120063","url":"https:\/\/thecrystalshowroom.com\/products\/pyrite-cluster-c-natural-peru","provider":"The Crystal Showroom","version":"1.0","type":"link"}