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Anyuite

Year of discovery: 1987 (Bol'shoi Anyui river, Russia)

Locality list:

• AuPb₂
• Au(Pb,Sb)₂
• [Au][Pb₂]

• Class: Alloy

• Pb => Sn: Rumoiite
• Pb => Sb: Aurostibite

• Color: Silver gray
• Tarnish: Lead gray
• Streak: Lead gray
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 3.5

• System: Tetragonal
• Group: 4/mmm, I4/mcm
• Lattice: a=7.4, c=5.6