Hutchinsonite

A variety of Minerals

What is Hutchinsonite?

Hutchinsonite is a sulfosalt mineral of thallium, arsenic and lead with formula (Tl,Pb)2As5S9. Hutchinsonite is a rare hydrothermal mineral. It was first discovered in a sample from Binnental, Switzerland in 1903 and named after Cambridge mineralogist Arthur Hutchinson, F.R.S. (1866–1937) in 1904.

Market Value Factors

Pricing varies for every rock and mineral, so use these universal factors to gauge Hutchinsonite 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.

Hutchinsonite Localities Map

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

Map preview

North ZoneCentral RidgeSouth Basin

More Images

Robert M. Lavinsky

Quick Facts

Physical Properties

Color: Scarlet-vermillion to deep cherry-red
Hardness (Mohs): 1.5 - 2
Density: 4.6 g/cm³
Streak: Scarlet-vermillion to deep cherry-red

Chemical Properties

Chemical Formula: TlPbAs₅S₉ As may be replaced by Sb; the extent of the solid-solution range is unknown.
Elements: As, Pb, S, Tl

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Hutchinsonite FAQs

How do I identify Hutchinsonite?

Hutchinsonite can be identified by its hardness of 1.5 - 2 on the Mohs scale, Scarlet-vermillion to deep cherry-red color. Look for these key characteristics when examining specimens.

What color is Hutchinsonite?

Hutchinsonite typically appears in Scarlet-vermillion to deep cherry-red. Color can vary depending on impurities and formation conditions.

How hard is Hutchinsonite?

Hutchinsonite has a hardness of 1.5 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.