Wilkmanite

General Information:
 Chemical Formula:
Ni3Se4
 Composition:
(Molecular Weight = 491.91 gm)
Nickel 35.79 % Ni
Selenium 64.21 % Se
 Empirical Formula:
Ni3Se4
 IMA Status:
Approved IMA 1964
Physical Properties:
 Cleavage:
[001] Good
 Color:
grayish yellow.
 Density:
6.96
 Diaphaniety:
Opaque
 Hardness:
2.5 - Finger Nail
 Luster:
Metallic
More details...