Sahamalite-(Ce)

General Information: Chemical Formula:(Mg,Fe++)Ce2(CO3)4 Composition:(Molecular Weight = 552.46 gm)Cerium 50.72 % CeMagnesium 3.30 % MgIron 2.53 % FeCarbon 8.70 % C Oxygen 34.75 % O  Empirical Formula: Mg0.75Fe2+0.25Ce2(CO3)4 Environment:Rare earth carbonates. IMA Status:Approved IMA 1987 Locality:Sulfide Queen mine, Mountain Pass, San Bernardino Co., Calif.Physical Properties: Cleavage:[010] Indistinct Color:colorless. Density:4.3 Diaphaniety:Transparent Streak:whiteMore details...