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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