augite

augite
[ˈɔːdʒʌɪt]
noun
  1. [mass noun]a dark green or black aluminosilicate mineral of the pyroxene group. It occurs in many igneous rocks, including basalt, gabbro, and dolerite
    辉石
语源
  1. early 19th cent.: from Latin augites, denoting a precious stone (probably turquoise), from Greek augitēs, from augē 'lustre'
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