Sartorite

A variety of Minerals

Sartorite specimen

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.

Applies to all rocks & minerals.

Sartorite Localities Map

See where Sartorite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

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

SartoriteRathite-vScleroclaseSkleroklas (of von Walthershausen)
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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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