Routhierite
A variety of Minerals
What is Routhierite?
Routhierite is a rare thallium sulfosalt mineral with formula Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6. It was first described in 1974 for an occurrence in the Jas Roux deposit in the French Alps. It was named after French geologist Pierre Routhier (1916–2008). It is also reported from the Northern Ural Mountains, Russia and the Thunder Bay district of Ontario, Canada.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Routhierite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
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Quick Facts
Physical Properties
- Color
- Violet-red
- Hardness (Mohs)
- 3.5
- Rock tumbling
- Not recommended
Chemical Properties
- Chemical Formula
- Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6
- Elements
- As, Cu, Hg, S, Tl
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Routhierite FAQs
How do I identify Routhierite?
Routhierite can be identified by its hardness of 3.5 on the Mohs scale, Violet-red color. Look for these key characteristics when examining specimens.
What color is Routhierite?
Routhierite typically appears in Violet-red. Color can vary depending on impurities and formation conditions.
How hard is Routhierite?
Routhierite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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