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augitite

noun
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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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“Augitite.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/augitite. Accessed 21 January 2020.

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