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Chengdeite

Year of discovery: 1995 (Gaositai deposit, Chengde county, China)

Locality list:

• Ir₃Fe
• [Ir₃][Fe]

• Class: Alloy
• Physical: Malleble

• Ir => Ni: Awaruite
• Ir => Pt: Isoferroplatinum
• Ir => Fe: Iron, Hexaferrum

• Color: Steel gray
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 5
• Density: 19.2

• System: Cubic
• Group: m3m, Pm3m
• Lattice: a=3.8