General Information:
Chemical Formula:
(K,Na)AlSiO4
Composition:
(Molecular Weight = 154.14 gm)
Potassium 19.02 % K
Sodium 3.73 % Na
Aluminum 17.51 % Al
Silicon 18.22 % Si
Oxygen 41.52 % O
Empirical Formula:
K0.75Na0.25AlSiO4
IMA Status:
Approved IMA
Physical Properties:
Color:
colorless or white.
Density:
2.59
Diaphaniety:
Transparent
Hardness:
5.5-6 - Knife Blade-Orthoclase
Streak:
white
More details...