Pyrosmalite
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Py`ros´ma`lite
n. | 1. | (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. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.