Algodonite
A variety of Minerals
What is Algodonite?
Algodonite is a copper arsenide mineral with formula: Cu6As. It is a gray white metallic mineral crystallizing in the hexagonal system. It has a Mohs hardness of 4 and a specific gravity of 8.38 - 8.72. It was first described in 1857 from the Algodones silver mine, Coquimbo, Chile.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Algodonite 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.
Quick Facts
Physical Properties
- Color
- Steel-gray to silver-white, tarnishes dull on exposure
- Hardness (Mohs)
- 4
- Rock tumbling
- Not recommended
- Density
- 8.72 g/cm³
Chemical Properties
- Chemical Formula
- (Cu1-xAsx)
- Elements
- As, Cu
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Algodonite FAQs
How do I identify Algodonite?
Algodonite can be identified by its hardness of 4 on the Mohs scale, Steel-gray to silver-white color. Look for these key characteristics when examining specimens.
What color is Algodonite?
Algodonite typically appears in Steel-gray to silver-white, tarnishes dull on exposure. Color can vary depending on impurities and formation conditions.
How hard is Algodonite?
Algodonite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
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