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Berryite

Year of discovery: 1966 (Nordmarksberg, Sweden, and Missouri mine, USA), 2016 (Japan)

Locality list: A locality of berryite

• Cu₃Ag₂Pb₃Bi₇S₁₆
• [Cu⁺₃][Ag⁺₂][Pb²⁺₃][Bi³⁺₇][S₁₆]^32-

• Class: Pseudohexagonal-Tetragonal layered Pb sulfosalts < Sulfosalt class
• Class: Sulfosalt

• Color: Bluish gray, Silver white
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: Indistinct
• Hardness: 3.5
• Density: 6.7

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=12.7, b=4.0, c=28.9, β=102.5