Gerhardtite

General Information: Chemical Formula:Cu2(NO3)(OH)3 Composition:(Molecular Weight = 240.12 gm)Copper 52.93 % CuHydrogen 1.26 % H Nitrogen 5.83 % N Oxygen 39.98 % O  Empirical Formula: Cu2(NO3)(OH)3Physical Properties: Cleavage:[001] Perfect, [100] Good Color:green or dark green. Density:3.4 - 3.43, Average = 3.41 Diaphaniety:Transparent Hardness:2 - Gypsum Luster:Vitreous (Glassy) Streak:light greenMore details...

C 2(NO3)(OH)3