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.

This article uses material from the Wikipedia article  Metasyntactic variable, which is released under the  Creative Commons Attribution-ShareAlike 3.0 Unported License.