{"product_id":"tabasco-geode-b-natural-mexico","title":"Tabasco geode (B) — natural, Mexico","description":"\u003cp dir=\"ltr\"\u003eThis started as a bubble of gas.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eLava cooling near the surface traps pockets of gas, and those pockets set into the rock as empty rounded voids. Much later, water carrying dissolved silica works its way through the rock and finds the void. Silica comes out of solution onto the cavity wall and starts building inwards.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThat is why a geode reads backwards. The outer rind is the oldest part, the first material to be laid down, and the crystals pointing into the middle are the youngest. The hollow at the centre is simply where the water ran out before the job was finished.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eA solid one would be a nodule. The gap is the whole point.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eQuartz (silicon dioxide, SiO₂), a chalcedony rind with druzy quartz inside\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eRancho Agua Blanca, Tabasco Municipality, Zacatecas, Mexico\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e7 on the Mohs scale; hard, though the rind is thin and will crack if dropped\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.3 x 0.82 x 2.7 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.86 g\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":58428101132632,"sku":null,"price":31.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/tgm-b-1.jpg?v=1788954120","url":"https:\/\/thecrystalshowroom.com\/products\/tabasco-geode-b-natural-mexico","provider":"The Crystal Showroom","version":"1.0","type":"link"}