General Information:
Chemical Formula:HNa2LiAl(PO4)2(OH)
Composition:(Molecular Weight = 287.86 gm)Sodium 15.97 %
NaLithium 2.41 %
LiAluminum 9.37 %
AlPhosphorus 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
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