{"product_id":"dolomite-malachite-and-gypsum-1","title":"Dolomite,malachite and gypsum","description":"\u003cp\u003eDolomite,malachite and gypsum natural mineral from North Africa\u003c\/p\u003e\n\u003cp\u003eSize-\u003cbr\u003e7.7cm x 5.1cm x 2.6cm\u003c\/p\u003e\n\u003cp\u003eWeight-\u003cbr\u003e99g\u003c\/p\u003e\n\u003cp\u003eYou will receive the item in the photo\u003c\/p\u003e\n\u003cp\u003eDolomite,malachite and gypsum are distinct minerals that vary significantly across their crystal structures,chemical makeup and environmental origins.\u003c\/p\u003e\n\u003cp\u003eDolomite:\u003cbr\u003eCrystal system- Trigonal\u003cbr\u003eMineral class- Carbonate \u003cbr\u003eHardness- 3.5-4 on the MOHs scale\u003cbr\u003eRock formation- formed primarily via dolomitization (where magnesium rich groundwater alters existing limestone) it is a major component of the sedimentary rock dolostone.\u003c\/p\u003e\n\u003cp\u003eMalachite:\u003cbr\u003eCrystal system- Monoclinic \u003cbr\u003eMineral class- Carbonate Hardness\u003cbr\u003eHardness- 3.5-4 on the MOHs scale\u003cbr\u003eRock formation- Formed as a secondary mineral via the supergene weathering and oxidation of primary copper sulfide ore deposits,typically occurring near limestones.\u003c\/p\u003e\n\u003cp\u003eGypsum:\u003cbr\u003eCrystal system- Monoclinic \u003cbr\u003eMineral class- Sulfate\u003cbr\u003eHardness- 2 on the MOHs scale \u003cbr\u003eRock formation- Formed primarily as an evaporite mineral in sedimentary marine lagoons and hypersaline lakes as water evaporates. It forms massive rock gypsum beds.\u003c\/p\u003e","brand":"Crystal and fossils","offers":[{"title":"Default Title","offer_id":62992944300419,"sku":null,"price":18.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2524\/3040\/files\/FullSizeRender_fda96dff-6d07-45a6-8b31-9b3d6909dcd2.heic?v=1792756230","url":"https:\/\/crystalandfossils.co.uk\/products\/dolomite-malachite-and-gypsum-1","provider":"Crystal and fossils","version":"1.0","type":"link"}