Now its rarity has relegated it to the standing of a minor ore dispite its high manganese content.
Crystals are the chief indicator for identification.
Pyrolusite is softer and has a bluish streak. If manganite is massive, it is difficult to distinguish it from other manganese minerals. Fine crystals of manganite can make a nice addition to a mineral collection. Color is black to steel gray. Luster is metallic to dull in weather specimens.