{"product_id":"phlogopite-mica-on-orange-calcite","title":"Phlogopite mica on orange calcite","description":"\u003cp\u003ePhlogopite Mica In Orange Calcite Natural Mineral From Erongo Region Namibia\u003c\/p\u003e\n\u003cp\u003eSize-\u003cbr\u003e8.1cm x 7.6cm x 4.6cm\u003c\/p\u003e\n\u003cp\u003eWeight-\u003cbr\u003e245g\u003c\/p\u003e\n\u003cp\u003eYou will receive the item in the photo\u003c\/p\u003e\n\u003cp\u003ePhlogopite mica and orange calcite naturally occur together as striking mineral specimens,forming fascinating geological pairings. \u003cbr\u003ePhlogopite mica:\u003cbr\u003eMineral class- Silicate\u003cbr\u003eCrystal system- monoclinic \u003cbr\u003eRock formation- occurs in both igneous and metamorphic rocks. It is primary mineral in ultramafic rocks like kimberlites, and is common found in contact metamorphic rocks,particularly silica rich dolomitic marbles\u003cbr\u003eHardness- 2.5-3 on the MOHs scale\u003cbr\u003eOrange calcite:\u003cbr\u003eMineral class- Carbonate\u003cbr\u003eCrystal system- Trigonal\u003cbr\u003eHardness- 3 on the MOHs scale \u003cbr\u003eRock formation- forms via sedimentary and secondary processes,most commonly through the accumulation of marine organism shells\/skeletons and precipitation l. When exposed to extreme heat and pressure it alters into metamorphic rocks (marble) l. The orange colour is a result of trace iron impurities such as hematite.\u003c\/p\u003e","brand":"Crystal and fossils","offers":[{"title":"Default Title","offer_id":58373488017795,"sku":null,"price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2524\/3040\/files\/IMG-9341.heic?v=1782935728","url":"https:\/\/crystalandfossils.co.uk\/products\/phlogopite-mica-on-orange-calcite","provider":"Crystal and fossils","version":"1.0","type":"link"}