augitite

noun
au·​gi·​tite | \ ˈȯjətˌīt, -gə-, -əˌtīt\
plural -s

Definition of augitite

: an extrusive porphyritic rock consisting essentially of augite with small amounts of amphibole magnetite or ilmenite and apatite in a glassy groundmass

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History and Etymology for augitite

International Scientific Vocabulary augite + -ite; probably originally formed as German augitit

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