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Uchucchacuaite

Year of discovery: 1981 (Uchucchacua mine, Peru), 1985 (Japan)

Locality list: 2 localities of uchucchacuaite

• AgMnPb₃Sb₅S₁₂
• [Ag⁺][Mn²⁺][Pb²⁺₃][Sb³⁺₅][S₁₂]^24-

• Class: Lillianite subgroup < Lillianite group < Large 2D fragment Pb sulfosalts < Sulfosalt class
• Class: Sulfosalt

• MnPb => AgSb: Andorite VI

• Color: Gray
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 3.5
• Density: 5.6

• System: Orthorhombic
• Group: mmm, Pmmm
• Lattice: a=12.7, b=19.3, c=4.4

Etymology: Uchuc-Chacua deposit in Peru

Synonym: Uchucchacuaïte