General Information:
Chemical Formula:
TlCuHg2As2S3
Composition:
(Molecular Weight = 1,011.35 gm)
Thallium 20.21 % Tl
Copper 6.28 % Cu
Mercury 39.67 % Hg
Arsenic 14.82 % As
Sulfur 19.02 % S
Empirical Formula:
TlCuHg2As2S6
IMA Status:
Approved IMA 1974
Locality:
Jas Roux mine, Hautes-Alpes, France.
Name Origin:
Named for Pierre Routhier (1916-), French economic geologist.
Physical Properties:
Cleavage:
[???] Good, [???] Good
Color:
violet red or black.
Density:
5.83
Diaphaniety:
Opaque
Habits:
Anhedral Grains - Granular minerals without the expression of crystal shapes, ,
Hardness:
3.5 - Copper Penny
Luster:
Metallic
More details...