General Information:
Chemical Formula:
Bi8(AsO4)3(OH)5O5
Composition:
(Molecular Weight = 2,253.63 gm)
Bismuth 74.18 % Bi
Arsenic 9.97 % As
Hydrogen 0.22 % H
Oxygen 15.62 % O
Empirical Formula:
Bi8(AsO4)3(OH)5O5
Physical Properties:
Cleavage:
[???] Indistinct
Color:
green, light yellow, or black.
Density:
6.82
Diaphaniety:
Transparent to Translucent
Hardness:
4.5-5
Luster:
Adamantine - Resinous
Streak:
white
More details...