Hemusite

General Information: Chemical Formula:Cu6SnMoS8 Composition:(Molecular Weight = 852.45 gm)Copper 44.73 % CuTin 13.93 % SnMolybdenum 11.25 % MoSulfur 30.09 % S  Empirical Formula: Cu6SnMoS8 IMA Status:Approved IMA 1969 Locality:Chelopech, Bulgaria. Name Origin:Named after an ancient name for the Balkan Mountains.Physical Properties: Color:gray. Density:4.47 Diaphaniety:Opaque Habits:Microscopic Crystals - Crystals visible only with microscopes., , Hardness:4 - Fluorite Luster:MetallicMore details...