picrosmine

[Pref. picr (o)-; Greek osmě = smell, and suff. -ine ( Min.).] Mineral.: An orthorhombic mineral, occurring in cleavable or fibro-columnar ma es. Hardne , 2.5-3; specific gravity, 2.66; luster, cleavage faces pearly, elsewhere vitreous; color, greenish white, dark-green, gray; streak, white, when moistened gives out a bitter argillaceous smell. Composition: Silica, 55'1; magnesia, 36.7; water, 8-2=100; hence the formula, MgOSiO2+HO. Found a ociated with magnetite, near Pre nitz, Bo hemia.