General Information:
Chemical Formula:
SnS2
Composition:
(Molecular Weight = 182.84 gm)
Tin 64.92 % Sn
Sulfur 35.08 % S
Empirical Formula:
SnS2
IMA Status:
Approved IMA 1988
Locality:
Cerro de Potosi, Bolivia.
Name Origin:
Named for Fritz Berndt, German mineralogist.
Physical Properties:
Cleavage:
[0001] Good
Color:
grayish yellow or yellow brown.
Density:
4.5
Diaphaniety:
Transparent to Translucent
Habits:
Tabular - Form dimensions are thin in one direction., Pseudo Hexagonal - Crystals show a hexagonal outline.,
Hardness:
1-2 - Between Talc and Gypsum
Luster:
Adamantine
Streak:
golden yellow
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