General Information:
Chemical Formula:
Bi2O3
Composition:
(Molecular Weight = 465.96 gm)
Bismuth 89.70 % Bi
Oxygen 10.30 % O
Empirical Formula:
Bi2O3
Environment:
Oxidation product of various bismuth minerals.
Locality:
Goldfield, Nevada, USA.
Name Origin:
Named after its composition of Bi.
Physical Properties:
Cleavage:
None
Color:
green yellow, gray green, or yellow.
Density:
8.5 - 9.5, Average = 9
Diaphaniety:
Transparent to translucent
Habits:
Pulverulent - Forms a loose, poorly-coherent powdery mass., Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Scaly - Morphology like fish scal es.
Hardness:
4-5 - Fluorite-Apatite
Luster:
Adamantine
Streak:
light yellow
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