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Iron [abbr. Kam ]

Year of discovery: 1977 (Qeqertarsuaq island (Disko island), Greenland), 1894 (Japan)

Locality list: 8 localities of iron

• Fe
• α-[Fe]

• Class: Iron group
• Class: Native elements
• Variety: Kamacite (+Ni)
• Soluble in: HCl
• Magnetism: Paramagnetic

• Polymorph: Hexaferrum (Hexagonal)

• Fe => Ni: Nickel, Garutiite
• Fe => Os: Osmium
• Fe => Pt: Platinum
• Fe => Pd: Palladium
• Fe => Rh: Rhodium
• Fe => Ru: Ruthenium
• Fe => Ir: Iridium, Rutheniridosmine
• Os => (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: Iron black
• Streak: Gray
• Luster: Metallic
• Diaphaneity: Opaque

• Twin: {111}, {112}

• Cleavage: Imperfect on {001} (3 planes), Parting on {112} (4 planes)
• Hardness: 4.5
• Density: 7.6

• System: Cubic
• Group: m3m, Im3m
• Lattice: a=2.9

Etymology: Old English word which means metal.

Synonym: Native Iron