{"product_id":"blue-calcite-11","title":"Blue calcite","description":"\u003cp\u003eBlue Calcite Natural Mineral Rough From Androy Region Madagascar\u003c\/p\u003e\n\u003cp\u003eSize-\u003cbr\u003e13.4cm x 11.2cm x 5cm\u003c\/p\u003e\n\u003cp\u003eWeight-\u003cbr\u003e1038g\u003c\/p\u003e\n\u003cp\u003eYou will receive the item in the photo\u003c\/p\u003e\n\u003cp\u003eBlue calcite is a beautiful calming sky to medium blue variety of calcium carbonate. Its unique pastel colour comes from trace inclusions and natural exposure to ionizing radiation. It is a relatively soft mineral with a MOHs hardness rating of 3.\u003cbr\u003eBlue calcite belongs to the trigonal crystal system and carbonate in the mineral class. \u003cbr\u003eBlue calcite primarily forms in sedimentary environments e.g massive beds of limestone,chalk or marine fossil accumulation. It also can occur in hydrothermal veins,hot springs and metamorphic rocks such as marble.\u003c\/p\u003e","brand":"Crystal and fossils","offers":[{"title":"Default Title","offer_id":58299992441219,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2524\/3040\/files\/IMG-8995.heic?v=1781971606","url":"https:\/\/crystalandfossils.co.uk\/products\/blue-calcite-11","provider":"Crystal and fossils","version":"1.0","type":"link"}