Definition of pyrosmalite
: a mineral (Mn,Fe)4Si3O7(OH,Cl)6 consisting of a pale-brown, gray, or grayish green chiefly basic iron manganese silicate
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Origin and Etymology of pyrosmalite
German pyrosmalit, from pyr- + osma- (from Greek osmē odor) + -lit -lite; from the odor it gives off before the blowpipe
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