Routhierite

From Wikipedia, the free encyclopedia

Routhierite
Category Mineral
Chemical formula TlHgAsS3
Identification
Color Violet-red
Crystal habit Anhedral grains, xenomorphic grains and veinlets
Crystal system Tetragonal
Twinning Microscopic polysynthetic twin lamellae
Cleavage 2; two perpendicular
Mohs Scale hardness 3.5
Luster Metallic
Density 5.83
Diaphaneity Opaque

Routhierite is a mineral named after Pierre Routhier, Professor of Economic Geology in Paris.

[edit] References