The Collaborative International Dictionary
Pyrosmalite
Pyrosmalite \Py*ros"ma*lite\, n. [Pyro- + Gr. ? odor + -like. ] (Min.) A mineral, usually of a pale brown or of a gray or grayish green color, consisting chiefly of the hydrous silicate of iron and manganese; -- so called from the odor given off before the blowpipe.
Wiktionary
pyrosmalite
n. (context mineralogy English) A mineral, usually of a pale brown or grey-greenish colour, consisting chiefly of the hydrous silicate of iron and manganese.