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Cuprospinel

Year of discovery: 1973 (Consolidated Rambler mine, Canada)

Locality list:

• CuFe₂O₄
• [Cu²⁺][Fe³⁺₂][O₄]^8-

• Class: Spinel subgroup < Oxyspinel group < Spinel supergroup
• Class: Oxide

• Cu => Mg: Magnesioferrite
• Cu => Fe: Magnetite
• Cu => Zn: Franklinite
• Cu => Ni: Trevorite
• Cu => Mn: Jacobsite
• Cu => Ge: Brunogeierite
• Cu => Ti: Ulvöspinel (Ulvospinel)

• Fe => Al: Thermaerogenite

• Color: Black - Gray
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 6.5

• System: Cubic
• Group: m3m, Fd3m
• Lattice: a=8.4