Sartorite
A variety of Minerals

What is Sartorite?
Sartorite is a lead arsenic sulfide with the chemical formula PbAs2S4 and as type locality the Lengenbach Quarry in Legenbach, Binnental, Valais, Switzerland. Historically, sartorite has been thought isomorphic to chalcostibite, emplectite, and zinckenite, but was definitively distinguished from the others in 1939.
Etymology & Origins
The mineral is named after its discoverer, Sartorius von Walterhausen (1809-1876).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Sartorite 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.
Sartorite Localities Map
See where Sartorite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Grey, grayish black
- Hardness (Mohs)
- 3
- Density
- 5.13 g/cm³
- Streak
- chocolate-brown
Chemical Properties
- Chemical Formula
- PbAs2S4 Simplified formula. May be Tl-bearing.
- Elements
- As, Pb, S
Also Known As

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Sartorite FAQs
How do I identify Sartorite?
Sartorite can be identified by its hardness of 3 on the Mohs scale, Grey color. Look for these key characteristics when examining specimens.
What color is Sartorite?
Sartorite typically appears in Grey, grayish black. Color can vary depending on impurities and formation conditions.
How hard is Sartorite?
Sartorite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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