General Information:
Chemical Formula:NiAsS
Composition:(Molecular Weight = 165.68 gm)Nickel 35.42 %
NiArsenic 45.22 %
AsSulfur 19.35 %
S Empirical Formula: NiAsS
Locality:Sudbury
Name Origin:Named after Herr von Gersdorff, owner of Schladming Mine, Austria.
Physical Properties: Cleavage:[100] Good, [010] Good, [001] Good
Color:gray, grayish black, silver white, or tin white.
Density:5.9 - 6.33, Average = 6.11
Diaphaniety:Opaque
Habits:Massive - Granular - Common texture observed in granite and other igneous rock., Euhedral Crystals - Occurs as well-formed crystals showing good external form., Tabular - Form dimensi ons are thin in one direction.
Hardness:5.5 - Knife Blade
Luminescence:None.
Luster:Metallic
Streak:grayish black
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