manganite [mang-guh-nahyt] ExamplesWord Origin noun
- a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.
- 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
- a blackish mineral consisting of basic manganese oxide in monoclinic crystalline form: a source of manganese. Formula: MnO(OH)