General Information:
Chemical Formula:
(K,Na,Ba)3(Ti,Nb)2Si4O14
Composition:
(Molecular Weight = 586.87 gm)
Potassium 11.99 % K
Barium 7.02 % Ba
Sodium 3.53 % Na
Titanium 12.24 % Ti
Niobium 7.92 % Nb
Silicon 19.14 % Si
Oxygen 38.17 % O
Empirical Formula:
K1.8Na0.9Ba0.3Ti1.5Nb0.5Si4O14
Physical Properties:
Cleavage:
[???] Good, [???] Good
Color:
dark brown.
Density:
2.968
Diaphaniety:
Translucent to Opaque
Hardness:
6.5 - Pyrite
Luster:
Vitreous - Greasy
More details...