General Information:
Chemical Formula:
NaBSi3O8
Composition:
(Molecular Weight = 246.05 gm)
Sodium 9.34 % Na
Silicon 34.24 % Si
Boron 4.39 % B
Oxygen 52.02 % O
Empirical Formula:
NaBSi3O8
IMA Status:
Approved IMA 1960
Physical Properties:
Cleavage:
[001] Perfect
Color:
beige yellow, colorless, or orange.
Density:
2.776
Diaphaniety:
Transparent
Hardness:
6-6.5 - Orthoclase-Pyrite
Luster:
Vitreous (Glassy)
Streak:
white
More details...