Minerals
TopGeneral Information

Magnetite is magnetic by nature and is therefore used in many permanent magnets.[1]
TopChemical & Physical Information
| Trivial Name | Magnetite |
| Chemical Name | Iron(II,III) Oxide |
| Chemical Formula | Fe3+2Fe2+O4 |
| Density | 5,17-5,18 g·cm-3 |
| Molar mass | ? |
| Hardness | 5,5-6 |
| Crytal system | Isometrical |
| Unit cell | ? |
| Crystal habit | Octahedral |
| Fracture | Uneven |
| Cleavage | Unclear |
| Colour | Black, grey, brown |
| Luster | Metal |
| Streak | Black |
| Opacity | Opaque |
| Safety | Safe |
| Extra | Magnetic |
Photos
(1 cm)
Sources
[1] Wikipedia
[2] Specimen from my personal collection, photo taken by me.








