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Jonassonite

Year of discovery: 2004 (Nagybörzsöny (Deutsch Pilsen), Hungary), 1986 (Japan)

Locality list: A locality of jonassonite

AuBi₅S₄

Au(Bi,Pb)₅S₄

[Au][Bi³⁺₅][S₄]

• Class: Subsulfosalt < Sulfosalt class
• Class: Sulfosalt
• Color: Light gray
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque
• Cleavage: No
• Hardness: 2.5-3
• System: Monoclinic
• Group: 2/m, F2/m
• Lattice: a=18.3, b=4.1, c=14.0, β=100.9