英语词汇“biotite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	biotite
释义	Word Frequency biotite (ˈbaɪəˌtaɪt) noun a black or dark green mineral of the mica group, found in igneous and metamorphic rocks. Composition: hydrous magnesium iron potassium aluminium silicate. Formula:K(Mg,Fe)3(Al,Fe) Si3O10(OH)2. Crystal structure: monoclinic Derived forms biotitic (ˌbaɪəˈtɪtɪk) adjective
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