manganite
[ mang-guh-nahyt ]
/ ˈmæŋ gəˌnaɪt /
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
Words nearby manganite
manganese violet,
manganic,
manganic acid,
manganiferous,
manganin,
manganite,
mangano-,
manganous,
manganous sulfate,
mangbetu,
mange
Example sentences from the Web for manganite
It is a grey stone, full of crystalline needles, like manganite.
Two Years Among the Savages of New Guinea. |W. D. PitcairnThe sesquioxide is found crystallized in an anhydrous form in braunite, and hydrated in manganite.
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
British Dictionary definitions for manganite
manganite
/ (ˈmæŋɡəˌnaɪt) /
noun
a blackish mineral consisting of basic manganese oxide in monoclinic crystalline form: a source of manganese. Formula: MnO(OH)