Uchucchacuaite
Uchucchacuaite (AgMnPb3Sb5S12) is a rare sulfosalt mineral found in hydrothermal deposits.
| Uchucchacuaite | |
|---|---|
 Uchucchacuaite in a matrix | |
| General | |
| Category | Sulfosalt minerals |
| Formula (repeating unit) | AgMnPb3Sb5S12 |
| Strunz classification | 2.JB.40a |
| Crystal system | Orthorhombic |
| Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Space group | Pmmm |
| Unit cell | a = 12.67 Å, b = 19.32 Å c = 4.38 Å; Z = 4 |
| Identification | |
| Color | grey |
| Luster | metallic |
| Diaphaneity | opaque |
| References | [1] |
It was first described in 1984 for an occurrence in the Uchucchacua Mine, Oyon Province, Lima Department, Peru and named for the mine.[1] It has also been reported from mines in Hokkaido, Japan.[1] It occurs with alabandite, galena, benavidesite, sphalerite, pyrite, pyrrhotite and arsenopyrite in the Peru deposit.[2]
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