Reevesite

General Information: Chemical Formula:Ni6Fe+++2(CO3)(OH)16·4(H2O) Composition:(Molecular Weight = 868.02 gm)Iron 12.87 % FeNickel 40.57 % NiHydrogen 2.79 % H Carbon 1.38 % C Oxygen 42.39 % O  Empirical Formula: Ni6Fe3+2(CO3)(OH)16·4(H2O) IMA Status:Approved IMA 1967Physical Properties: Color:green yellow or light yellow. Density:2.8 - 2.88, Average = 2.84 Diaphaniety:Transparent Hardness:2 - Gypsum Luster:PearlyMore details...