Lawrencite

General Information:
 Chemical Formula:
(Fe++,Ni)Cl2
 Composition:
(Molecular Weight = 127.46 gm)
Iron 32.86 % Fe
Nickel 11.51 % Ni
Chlorine 55.63 % Cl
 Empirical Formula:
Fe2+0.75Ni0.25Cl2
 Environment:
Occurs in meteoric iron.
 Locality:
Iron - nickel meteorites
Physical Properties:
 Cleavage:
[0001] Perfect
 Color:
greenish brown or white.
 Density:
3.162
 Diaphaniety:
Transparent
More details...