Routhierite

routhierite

realgar

stibnite

pierrotite

Formula: TlCuHg₂As₂S₆

Sulphosalt, sulpharsenite, routhierite group, thallium-bearing mineral
Crystal System: Tetragonal
Specific gravity: 5.83 calculated
Hardness: 3½
Colour: Violet-red
Common impurities: Ag,Zn
Environments

Hydrothermal environments

Localities

At the Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada routhierite occurs as anhedral grains up to 300 pm across, associated with pyrite, stibnite, realgar, cinnabar, parapierrotite, molybdenite, sphalerite and tetrahedrite-tennantite AM 75.935, HOM).

At the type locality, Jas Roux, La Chapelle-en-Valgaudemar, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France, routhierite occurs in complex, epithermal, sediment-hosted, thallium-rich ores in hydrothermal deposits in dolostone (Webmin, HOM). Associated minerals include realgar, stibnite, pierrotite, sphalerite, pyrite and smithite (HOM ).

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