Magnetite vs Silver

Property Magnetite Silver
Formula Fe3O4 Ag
Crystal System Cubic (Isometric) Cubic (Isometric)
Mineral Class 04 Oxides and Hydroxides 01 Native Elements
Mohs Hardness 5.5-6.5 2.5-3.0
Color Black Silver-white, tarnishes to gray/black
Luster Metallic Metallic
Streak Black Silver-white
Transparency Opaque Opaque
Cleavage None None
Fracture Conchoidal to uneven Hackly

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