Hashemite

General Information: Chemical Formula:Ba(Cr,S)O4 Composition:(Molecular Weight = 248.34 gm)Barium 55.30 % BaChromium 15.70 % CrSulfur 3.23 % S Oxygen 25.77 % O  Empirical Formula: BaCr0.75S0.25O4 IMA Status:Approved IMA 1983Physical Properties: Cleavage:[???] Good Color:brown, greenish brown, yellow brown, light yellow brown, or dark greenish brow. Density:4.59 Diaphaniety:Transparent to Translucent Hardness:3.5 - Copper Penny Luster:Adamantine Streak:brownish whiteMore details...