General Information:
Chemical Formula:
KAlSiO4
Composition:
(Molecular Weight = 158.16 gm)
Potassium 24.72 % K
Aluminum 17.06 % Al
Silicon 17.76 % Si
Oxygen 40.46 % O
Empirical Formula:
KAlSiO4
Physical Properties:
Cleavage:
[1010] Indistinct, [0001] Indistinct
Color:
colorless, gray, gray white, or white.
Density:
2.59 - 2.625, Average = 2.6
Diaphaniety:
Transparent to Translucent
Hardness:
6 - Orthoclase
Luster:
Vitreous - Greasy
Streak:
white
More details...