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Oscarkempffite

Year of discovery: 2011 (Ánimas mine, Bolivia)

Locality list:

• Ag₁₀Pb₄(Sb₁₇Bi₉)S₄₈
• [Ag⁺₁₀][Pb²⁺₄][Sb³⁺₁₇][Bi³⁺₉][S₄₈]^96-

• Class: Sulfosalt

• Color: Grayish black
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: None
• Hardness: 3-3.5
• Density: 5.8

• System: Orthorhombic
• Group: mm2, Pnca
• Lattice: a=13.2, b=19.3, c=8.3