Minerals
TopGeneral Information
Hematite is a wide spread iron oxide mineral. It is usually found around magnetite, limonite and siderite. In its most pure form, hematite consists for 70% of iron and is therefore the most important iron ore. It is named after the Greek word 'haima', which means blood.[1]
TopChemical & Physical Information
| Trivial Name | Hematite |
| Chemical Name | Iron(III) Oxide |
| Chemical Formula | Fe2O3 |
| Density | 5,25 g·cm-3 |
| Molar mass | - |
| Hardness | 5-5,6 |
| Crytal system | Trigonal |
| Unit cell | ? |
| Crystal habit | Pyramidal, cubic, rhombohedral, rosette like groups, grainy and oolitic. |
| Fracture | Conchoidal, fibrous. |
| Cleavage | None |
| Colour | Grey to black, red brown or weathered red. |
| Luster | Metal to dull |
| Streak | Cherry red to red brown |
| Opacity | Opaque |
| Safety | Safe |
| Extra | Prime source of iron. |
Photos
(1 cm)
Sources
[1] Wikipedia
[2] Specimen from my personal collection, photo taken by me.
