noun ori·en·tite

Definition of orientite



  1. :  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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Origin and Etymology of orientite

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

Seen and Heard

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a rounded knoll or a ridge of ice

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