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Pyrite and hematite from Elba Island, Italy.
Stone dimensions: L: 100mm x W: 72mm x H : 82mm.
Weight with base (acrylic): 1.330 kg.
Pyrite |
Chemical formula: ZnS (zinc sulfide). Hardness on Mohs scale: 3.5-4. Density: 3.9 - 4.1 g/cm³. |
Hematite |
Chemical formula: Fe₂O₃ (Iron oxide). Hardness on Mohs scale: 5.5-6.5. Density: 5.2 - 5.3 g/cm³. |