General Information:
Chemical Formula:
LiAlSiO4
Composition:
(Molecular Weight = 126.01 gm)
Lithium 5.51 % Li
Aluminum 21.41 % Al
Silicon 22.29 % Si
Oxygen 50.79 % O
Empirical Formula:
LiAlSiO4
Environment:
Secondary mineral derived from spodumene.
Locality:
Branchville, Connecticut, USA.
Physical Properties:
Cleavage:
[1011] Indistinct
Color:
brown, colorless, or white.
Density:
2.67
Diaphaniety:
Transparent to translucent
Hardness:
6.5 - Pyrite
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...