siderite

柯林斯词典

siderite /ˈsaɪdəˌraɪt/

• 1. N a pale yellow to brownish-black mineral consisting chiefly of iron carbonate in hexagonal crystalline form. It occurs mainly in ore veins and sedimentary rocks and is an important source of iron. Formula: FeCO3 菱铁矿 (Also called chalybite)

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