Smithite

A variety of Minerals

Smithite specimen

What is Smithite?

Market Value Factors

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

Smithite Localities Map

See where Smithite 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.

More Images

Smithite specimen
Robert M. Lavinsky

Quick Facts

Physical Properties

Color
Pale red; red-orange or brownish orange on exposure to light
Hardness (Mohs)
1.5 - 2
Density
4.88 g/cm³
Streak
Vermillion

Chemical Properties

Chemical Formula
AgAsS2
Elements
Ag, As, S
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Smithite FAQs

How do I identify Smithite?

Smithite can be identified by its hardness of 1.5 - 2 on the Mohs scale, Pale red; red-orange or brownish orange on exposure to light color. Look for these key characteristics when examining specimens.

What color is Smithite?

Smithite typically appears in Pale red; red-orange or brownish orange on exposure to light. Color can vary depending on impurities and formation conditions.

How hard is Smithite?

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

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