| 单词 | hematite |
| 释义 | Word Frequency hematite(ˈhɛmətaɪt) or haematite (ˈhɛmətaɪt, ˈhiːm-) noun a red, grey, or black mineral, found as massive beds and in veins and igneous rocks. It is the chief source of iron. Composition: iron (ferric) oxide. Formula: Fe2O3. Crystal structure: hexagonal (rhombohedral) Also called: iron glanceDerived forms hematitic or haematitic (ˌhɛməˈtɪtɪk, ˌhiː-) adjective Word origin C16: via Latin from Greek haimatitēs resembling blood, from haima blood |
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