General Information:
Chemical Formula:
KNa2B3Si12O30
Composition:
(Molecular Weight = 912.90 gm)
Potassium 4.28 % K
Sodium 5.04 % Na
Silicon 36.92 % Si
Boron 1.18 % B
Oxygen 52.58 % O
Empirical Formula:
KNa2BSi12O30
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
colorless or light pink.
Density:
2.51
Diaphaniety:
Transparent
Hardness:
5 - Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...