General Information:
Chemical Formula:
Bi+++2Cu++3(PO4)2O2(OH)2·2(H2O)
Composition:
(Molecular Weight = 900.59 gm)
Copper 21.17 % Cu
Bismuth 46.41 % Bi
Phosphorus 6.88 % P
Hydrogen 0.67 % H
Oxygen 24.87 % O
Empirical Formula:
Bi2Cu3(PO4)2O2(OH)2·2(H2O)
Environment:
Vesuvianite=grossular skarn invaded by secondary copper, bismuth, and vanadiaum mineralization.
IMA Status:
Approved IMA
Locality:
Benambra, Victoria, Australia.
Physical Properties:
Cleavage:
[???] Good
Color:
blue or cerulean blue.
Density:
4.9
Diaphaniety:
Transparent to translucent
Habits:
Spherical - Spherical, rounded aggregates., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:
2-3 - Gypsum-Calcite
Luster:
Vitreous (Glassy)
Streak:
blue
More details...