General Information:
Chemical Formula:
KLi2AlSi4O10(F,OH)2
Physical Properties:
Cleavage:
[001] Perfect
Color:
bluish, colorless, violet, greenish, or pearl white.
Density:
2.583 - 2.817, Average = 2.7
Diaphaniety:
Transparent
Hardness:
2-3 - Gypsum-Calcite
Luminescence:
Fluorescent.
Luster:
Pearly
Streak:
white
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