Benauite

General Information: Chemical Formula:HSrFe+++3(PO4)2(OH)6 Composition:(Molecular Weight = 548.16 gm)Strontium 15.98 % SrIron 30.56 % FePhosphorus 11.30 % P Hydrogen 1.29 % H Oxygen 40.86 % O  Empirical Formula: HSrFe3+3(PO4)2(OH)6 IMA Status:Approved IMA 1995Physical Properties: Cleavage:[001] Perfect Color:yellow or brown. Density:3.65 Diaphaniety:Transparent to Translucent Hardness:3.5 - Copper Penny Luster:Vitreous - Resinous Streak:pale yellowMore details...