单词 | actinolite |
释义 | actinolite/akˈtɪnəlʌɪt![]() noun [mass noun] A green mineral of the amphibole group containing calcium, magnesium, and iron and occurring chiefly in metamorphic rocks and as a form of asbestos.They have a mineralogical association of quartz, diopside, actinolite, plagioclase and K-feldspar....
OriginLate 18th century: from Greek aktis, aktin- 'ray' + lithos 'stone' (because of the ray-like crystals). |
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