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Tetra-auricupride

Year of discovery: 1982 (Sardala, China)

Locality list:

• AuCu
• [Au][Cu]

• Class: Alloy

• Au => Al: Stolperite
• Au => Zn: Zhanghengite
• Au => Pd: Skaergaardite
• Au => Pt: Hongshiite

• Cu => Sn: Yuanjiangite

• Color: Gold yellow
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 4.5

• System: Tetragonal
• Group: 4/mmm, P4/mmm
• Lattice: a=2.8, c=3.7