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Isoferroplatinum

Year of discovery: 1975 (Tulameen river, Canada, Witwatersrand field, South Africa, and Stillwater complex, USA), 1976 (Japan)

Locality list: 4 localities of isoferroplatinum

• Pt₃Fe
• (Pt,Pd)₃(Fe,Cu)
• [Pt₃][Fe]

• Class: Auricupride subgroup < Non-stoichiometric B-site vacant antiperovskite group (X[]A₃) < Non-stoichiometric perovskites < Perovskite supergroup
• Class: Alloy

• Fe => Sn: Rustenburgite
• Fe => Cu: Orthocuproplatinum
• Fe => In: Yixunite

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

• Color: Gray
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Cubic

• Hardness: 5
• Density: 16.5

• System: Cubic
• Group: m3m, Pm3m
• Lattice: a=3.9

Etymology: Chemical composition and structure