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augite

Pronunciation: /ˈɔːdʒʌɪt/
Definition of augite

noun

[mass noun]
  • a dark green or black aluminosilicate mineral of the pyroxene group. It occurs in many igneous rocks, including basalt, gabbro, and dolerite.

Origin:

early 19th century: from Latin augites, denoting a precious stone (probably turquoise), from Greek augitēs, from augē 'lustre'

augite in other Oxford dictionaries

Definition of augite in the US English dictionary