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Hexaferrum

Year of discovery: 1995 (Chirynaisky massif, Russia)

Locality list:

• (Fe,Os,Ru,Ir)
• [Fe,Os,Ru,Ir]

• Class: Osmium group
• Class: Native elements

• Polymorph: Iron (Cubic)

• Fe => Ni: Nickel, Garutiite
• Fe => Os: Osmium
• Fe => Pt: Platinum
• Fe => Pd: Palladium
• Fe => Rh: Rhodium
• Fe => Ru: Ruthenium
• Fe => Ir: Iridium, Rutheniridosmine
• Fe => (Fe,Ni): Taenite
• Fe => Mo: Hexamolybdenum

• Fe₂ => FeNi: Tetrataenite
• Fe₂ => CoFe: Wairauite
• Fe₂ => PtFe: Tetraferroplatinum

• Fe₄ => Ni₃Fe: Awaruite
• Fe₄ => Pt₃Fe: Isoferroplatinum
• Fe₄ => Ir₃Fe: Chengdeite

• Color: Steel black with a yellow tint
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: None
• Hardness: 6-7
• Density: 10.7

• System: Hexagonal
• Group: 6/mmm, P6₃/mmc
• Lattice: a=2.6, c=4.2