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.
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Uchucchacuaite Localities Map
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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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