Xilingolite

General Information: Chemical Formula:Pb3Bi2S6 Composition:(Molecular Weight = 1,231.96 gm)Bismuth 33.93 % BiLead 50.46 % PbSulfur 15.62 % S  Empirical Formula: Pb3Bi2S6 Locality:Chaobuleng district, Xilingola League, Inner Mongolia, China. Name Origin:Named for the locality.Physical Properties: Color:lead gray. Density:7.08 Diaphaniety:Opaque Habits:Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., , Hardness:3 - Calcite Luster:Metallic Streak:grayMore details...