General Information:
Chemical Formula:
HNa2LiAl(PO4)2(OH)
Composition:
(Molecular Weight = 287.86 gm)
Sodium 15.97 % Na
Lithium 2.41 % Li
Aluminum 9.37 % Al
Phosphorus 21.52 % P
Hydrogen 0.70 % H
Oxygen 50.02 % O
Empirical Formula:
LiNa2HAl(PO4)2(OH)
IMA Status:
Approved IMA 1979
Locality:
Tanco spodumene-bearing pegmatite mine at Bernic Lake, MB, Canada.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[010] Distinct, [001] Distinct
Color:
colorless or light pink.
Density:
2.752
Diaphaniety:
Transparent
Habits:
Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces., Columnar - Forms columns,
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...