General Information:
Chemical Formula:
Bi2O3
Composition:
(Molecular Weight = 449.96 gm)
Bismuth 92.89 % Bi
Oxygen 7.11 % O
Empirical Formula:
Bi2O2
Environment:
In the secondary oxidation zone. Dimorphous with bismite.
IMA Status:
Approved IMA
Locality:
Neubulach and Wittichen, Black Forest, Germany.
Name Origin:
For the form of the aggregates and the composition.
Physical Properties:
Cleavage:
None
Color:
green, yellowish, or gray.
Density:
7.17
Diaphaniety:
Transparent to Translucent
Habits:
Spherical - Spherical, rounded aggregates., Aggregates - Made of numerous individual crystals or clusters.,
Hardness:
4 - Fluorite
Luster:
Subadamantine
Streak:
white
More details...