单词 | vivianite |
释义 | vivianite [`vi·vē·ǝ´nīt] MINERALOGY Fe3(PO4)2⋅8H2O A colorless, blue, or green mineral in the unaltered state (darkens upon oxidation); crystallizes in the monoclinic system and occurs in earth form and as globular and encrusting fibrous masses. Also known as blue iron earth; blue ocher. |
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