Tetrataenite

General Information:
 Chemical Formula:
FeNi
 Composition:
(Molecular Weight = 114.54 gm)
Iron 48.76 % Fe
Nickel 51.24 % Ni
 Empirical Formula:
Fe0+Ni
 IMA Status:
Approved IMA 1979
Physical Properties:
 Color:
gray white or silver white.
 Diaphaniety:
Opaque
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Metallic
 Streak:
gray
More details...