Definitions for "Manganite"
Keywords:  manganese, oxide, gray, ahdos, diaspore
One of the oxides of manganese; -- called also gray manganese ore. It occurs in brilliant steel-gray or iron-black crystals, also massive.
A compound of manganese dioxide with a metallic oxide; so called as though derived from the hypothetical manganous acid.
a black mineral consisting of basic manganese oxide; a source of manganese