General Information:
Chemical Formula:
NiAs2
Composition:
(Molecular Weight = 208.53 gm)
Nickel 28.14 % Ni
Arsenic 71.86 % As
Empirical Formula:
NiAs2
Name Origin:
Named after the German chemist and mineralogist, K. F. Rammelsberg (1812-1899).
Physical Properties:
Cleavage:
[???] Indistinct
Color:
tin white or reddish white.
Density:
7.1
Diaphaniety:
Opaque
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Massive - Granular - Commo n texture observed in granite and other
Hardness:
5.5 - Knife Blade
Luminescence:
None.
Luster:
Metallic
Streak:
black
More details...