Magnesioferrite with calcite.From Långban. |
| Mineral class | Oxides : Hematite - Magnetite - Ilmenite group. |
| Chemical formula | Fe2MgO4 |
| Crystal system | Cubic. |
| Habitus | As rounded octaedric crystals or grains. |
| Cleavage |   |
| Hardness | 5.5-6.5 |
| Density | 4.5 |
| Color | Black. |
| Streak |   |
| Luster |   |
| Description |   |
| Occurance |   |
| Associates |   |
| Notes | Type locality : Mt Vesuvius, Napoli, Campania, Italy. Strongly magnetic. |
| Locations | A rare mineral with one good locality.
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| To oxides index. |
Mineral group index. |
Main index. |
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