Uchucchacuaite
A variety of Lillianite Homologous Series Group
What is Uchucchacuaite?
Uchucchacuaite (AgMnPb3Sb5S12) is a rare sulfosalt mineral found in hydrothermal deposits. It was first described in 1984 for an occurrence in the Uchucchacua Mine, Oyon Province, Lima Department, Peru and named for the mine. It has also been reported from mines in Hokkaido, Japan. It occurs with alabandite, galena, benavidesite, sphalerite, pyrite, pyrrhotite and arsenopyrite in the Peru deposit.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Uchucchacuaite 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.
Uchucchacuaite Localities Map
See where Uchucchacuaite 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
- Grey
- Hardness (Mohs)
- 3.5
- Density
- 5.51 g/cm³
Chemical Properties
- Chemical Formula
- AgMnPb3Sb5S12
- Elements
- Ag, Mn, Pb, S, Sb
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Uchucchacuaite FAQs
How do I identify Uchucchacuaite?
Uchucchacuaite can be identified by its hardness of 3.5 on the Mohs scale, Grey color. Look for these key characteristics when examining specimens.
What color is Uchucchacuaite?
Uchucchacuaite typically appears in Grey. Color can vary depending on impurities and formation conditions.
How hard is Uchucchacuaite?
Uchucchacuaite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.