Raguinite

General Information:
 Chemical Formula:
TlFeS2
 Composition:
(Molecular Weight = 324.36 gm)
Thallium 63.01 % Tl
Iron 17.22 % Fe
Sulfur 19.77 % S 
 Empirical Formula:
TlFe2+S2
 IMA Status:
Approved IMA 1969
 Locality:
Allchar, Macedonia.
 Name Origin:
Named for Eugene Raguin (1900-), French geologist.
Physical Properties:
 Cleavage:
None
 Color:
bronze.
 Density:
6.4
 Diaphaniety:
Opaque
 Habits:
Microscopic Crystals - Crystals visible only with microscopes., Pseudo Hexagonal - Crystals show a hexagonal outline.,
 Luster:
Metallic
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