单词 | actinolite |
释义 | Word Frequency actinolite(ækˈtɪnəˌlaɪt) noun a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca2(Mg,Fe)5 Si8O22(OH)2 Word origin C19: from actino- (from the radiating crystals in some forms) + -lite |
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