Rathite

A variety of Minerals

What is Rathite?

Market Value Factors

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

Rathite Localities Map

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

Map preview

North ZoneCentral RidgeSouth Basin

Quick Facts

Physical Properties

Color: Silver to lead-gray, tarnishes iridescent
Hardness (Mohs): 3
Density: 5.31 g/cm³
Streak: Chocolate-brown

Chemical Properties

Chemical Formula: Ag₂Pb^12-xTlx/2As¹⁸⁺x/2S₄₀ May contain minor Sb substituting for As. Substitution 2Pb <-> Tl + As. Topa & Kolitsch (2018) revised the general formula to AgxTlyPb₁₆−2(x+y)As¹⁶⁺x+y−zSbzS₄₀ (with 1.6 < x < 2, 0 < y < 3, 0 < z < 3.5).
Elements: Ag, As, Pb, S, Tl

Also Known As

RathiteRathite-alphaWiltshireite

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Rathite FAQs

How do I identify Rathite?

Rathite can be identified by its hardness of 3 on the Mohs scale, Silver to lead-gray color. Look for these key characteristics when examining specimens.

What color is Rathite?

Rathite typically appears in Silver to lead-gray, tarnishes iridescent. Color can vary depending on impurities and formation conditions.

How hard is Rathite?

Rathite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.