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Magnetite

Formula: Fe2+Fe3+2O4
Colour: Greyish black or iron black
Luster: Metallic, Sub-Metallic
Hardness: 5½ - 6½
Specific Gravity: 5.175
Crystal System: Isometric
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  • Dioptase, Clinochlore, Vesuvianite & Magnetite. - The Crystal Connoisseurs
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