单词 | siderite |
释义 | Word Frequency siderite(ˈsaɪdəˌraɪt) noun 1. Also called: chalybite 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 2. a meteorite consisting principally of metallic iron Derived forms sideritic (ˌsaɪdəˈrɪtɪk) adjective |
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