General Information:
Chemical Formula:
KNaCuSi4O10
Composition:
(Molecular Weight = 397.97 gm)
Potassium 9.82 % K
Sodium 5.78 % Na
Copper 15.97 % Cu
Silicon 28.23 % Si
Oxygen 40.20 % O
Empirical Formula:
KNaCuSi4O10
Physical Properties:
Color:
blue or white.
Density:
2.75
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Vitreous (Glassy)
Streak:
bluish white
More details...