General Information:
Chemical Formula:
Ni5-xAs2 (x=0.23)
Composition:
(Molecular Weight = 429.79 gm)
Nickel 65.14 % Ni
Arsenic 34.86 % As
Empirical Formula:
Ni4.77As2
Environment:
Inclusions in pentlandite in ultramafic rocks.
IMA Status:
Approved IMA 1959
Locality:
Tiebaghi massif, New Caledonia.
Name Origin:
Named for Jean Orcel (1896-1978), French mineralogist.
Physical Properties:
Color:
yellow white or pink bronze.
Density:
7.5
Diaphaniety:
Opaque
Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
Luster:
Metallic
More details...