Aikinite
A variety of Minerals
What is Aikinite?
Aikinite is a sulfide mineral of lead, copper and bismuth with formula PbCuBiS3. It forms black to grey or reddish brown acicular orthorhombic crystals with a Mohs hardness of 2 to 2.5 and a specific gravity of 6.1 to 6.8. It was originally found in 1843 in the Beryozovskoye deposit, Ural Mountains. It is named after Arthur Aikin (1773–1854), an English geologist. It has been found in Western Tasmania, in mines located near Dundas, Tasmania
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Aikinite 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.
Aikinite Localities Map
See where Aikinite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Blackish lead-grey
- Hardness (Mohs)
- 2 - 2.5
- Density
- 7.255 g/cm³
- Streak
- grey-black
Chemical Properties
- Chemical Formula
- PbCuBiS3
- Elements
- Bi, Cu, Pb, S
Also Known As
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Aikinite FAQs
How do I identify Aikinite?
Aikinite can be identified by its hardness of 2 - 2.5 on the Mohs scale, Blackish lead-grey color. Look for these key characteristics when examining specimens.
What color is Aikinite?
Aikinite typically appears in Blackish lead-grey. Color can vary depending on impurities and formation conditions.
How hard is Aikinite?
Aikinite has a hardness of 2 - 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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