Uchucchacuaite
(repeating unit)AgMnPb3Sb5S12 IMA symbol Uch[1] 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 [2]
H-M symbol: (2/m 2/m 2/m)
c = 4.38 Å; Z = 4
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.[2] It has also been reported from mines in Hokkaido, Japan.[2] It occurs with alabandite, galena, benavidesite, sphalerite, pyrite, pyrrhotite and arsenopyrite in the Peru deposit.[3]
References
- Webmineral
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