manganite









manganite


manganite [mang-guh-nahyt] ExamplesWord Origin noun

  1. a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.
  2. Chemistry. any of a series of salts containing tetravalent manganese and derived from either of two acids, H4MnO4 or H2MnO3.

Origin of manganite First recorded in 1820–30; mangan(ese) + -ite1 Examples from the Web for manganite Historical Examples of manganite

  • It is a grey stone, full of crystalline needles, like manganite.

    Two Years Among the Savages of New Guinea.

    W. D. Pitcairn

  • The hydrate occurs sometimes in nature as black crystals (manganite).

    A System of Instruction in the Practical Use of the Blowpipe

    Anonymous

  • Manganite, or hydroxide of manganese; is brownish-black or iron-black, powder brown, with somewhat of a metallic lustre.

    A Dictionary of Arts, Manufactures and Mines

    Andrew Ure

  • The sesquioxide is found crystallized in an anhydrous form in braunite, and hydrated in manganite.

    Scientific American Supplement, No. 401, September 8, 1883

    Various

  • British Dictionary definitions for manganite manganite noun

    1. a blackish mineral consisting of basic manganese oxide in monoclinic crystalline form: a source of manganese. Formula: MnO(OH)
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