Zavaritskite

General Information:
 Chemical Formula:
BiOF
 Composition:
(Molecular Weight = 243.98 gm)
Bismuth 85.66 % Bi
Oxygen 6.56 % O 
Fluorine 7.79 % F 
 Empirical Formula:
BiOF
 IMA Status:
Approved IMA 1962
Physical Properties:
 Color:
gray or colorless.
 Density:
7.88 - 9, Average = 8.44
 Diaphaniety:
Subtranslucent to Opaque
 Hardness:
2-2.5 - Gypsum-Finger Nail
 Luster:
Resinous - Metallic
 Streak:
gray white
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