Tainiolite

General Information:
 Chemical Formula:
KLiMg2Si4O10F2
 Composition:
(Molecular Weight = 404.98 gm)
Potassium 9.65 % K 
Lithium 1.71 % Li
Magnesium 12.00 % Mg
Silicon 27.74 % Si
Oxygen 39.51 % O 
Fluorine 9.38 % F 
 Empirical Formula:
KLiMg2Si4O10F2
Physical Properties:
 Color:
colorless or brownish.
 Density:
2.82 - 2.9, Average = 2.86
 Diaphaniety:
Transparent
 Hardness:
2.5-3 - Finger Nail-Calcite
 Luster:
Vitreous (Glassy)
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