Copper vs Magnetite

Property Copper Magnetite
Fórmula Cu Fe3O4
Sistema Cristalino Cubic (Isometric) Cubic (Isometric)
Classe Mineral 01 Native Elements 04 Oxides and Hydroxides
Dureza Mohs 2.5-3.0 5.5-6.5
Cor Copper-red, tarnishes to brown/green Black
Brilho Metallic Metallic
Traço Copper-red Black
Transparência Opaque Opaque
Clivagem None None
Fratura Hackly Conchoidal to uneven

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