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orientite

noun
ori·​en·​tite | \-ˌen‧-\
plural -s

Definition of orientite 

: a mineral Ca4Mn4Si5O20.4H2O consisting of a hydrous calcium manganese silicate occurring in small brown orthorhombic crystals (hardness 4.5–5, specific gravity 3)

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History and Etymology for orientite

Oriente, province in eastern Cuba, its locality, + English -ite

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