{"product_id":"limonite-and-marcasite","title":"Limonite and Marcasite","description":"\u003cp\u003eLimonite \u0026amp; Marcasite Natural Mineral From The White Desert(farafra Oasis) Egypt\u003c\/p\u003e\n\u003cp\u003eSize-\u003cbr\u003e3.6cm x 2.8cm x 2.6cm\u003c\/p\u003e\n\u003cp\u003eWeight-\u003cbr\u003e44g\u003c\/p\u003e\n\u003cp\u003eYou will receive the item in the photo\u003c\/p\u003e\n\u003cp\u003eLimonite and Marcasite differ fundamentally. Limonite is a mixture of hydrous iron oxides lacking a true Crystal system,whereas Marcasite is a distinct iron sulfide mineral with an orthorhombic crystal system.\u003c\/p\u003e\n\u003cp\u003eLimonite:\u003cbr\u003eMineral class- Oxide\/Hydroxide (mixture of minerals like goethite lepidocrocite and hematite) \u003cbr\u003eCrystal system- Amorphous\/earthy (no true distinct crystal structure)\u003cbr\u003eRock formation- forms as a secondary mineral via weathering or hydration of iron-rich precursors (magnetite hematite and pyrite ) or precipitates in bogs,soils and sedimentary environments.\u003c\/p\u003e\n\u003cp\u003eMarcasite-\u003cbr\u003eMineral class- sulfide \u003cbr\u003eCrystal system- Orthorhombic (often forming tabular,bipramidal or cockscomb twinned crystals. \u003cbr\u003eRock formation inside volcanic- commonly precipitates in low temperature,acidic sedimentary settings (such as shakes,limestone and chalk layers) and low temperature hydrothermal veins.\u003c\/p\u003e","brand":"Crystal and fossils","offers":[{"title":"Default Title","offer_id":62375592198531,"sku":null,"price":26.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2524\/3040\/files\/FullSizeRender_b2e883a0-06f6-4bc3-80eb-d9a8197f0667.heic?v=1786709999","url":"https:\/\/crystalandfossils.co.uk\/products\/limonite-and-marcasite","provider":"Crystal and fossils","version":"1.0","type":"link"}