Home /
Minerals /
Goethite
|
Goethite
|
| Goethite Pribram - Brezove Hory, CZ
Item-No.: 0300136 Price: 30.00 EUR
|
| Goethite Pribram, Schacht Vrancice, CZ
Item-No.: 0300286 Price: 15.00 EUR
|
Synonyms: |
Allcharite, Fullonite, Götheite, Göthite, Hydrohematite, Mesabite, Yanthosiderite |
Classification: |
Oxides and Hydroxides |
Chemical formula: |
α-Fe3+O(OH) |
Crystal system: |
Orthorhombic |
Density (g/cm3): |
4,27 - 4,29 measured, 4,18 calculated |
Tenacity: |
Brittle |
Cleavage: |
Perfect on {010}, less perfect on {100} |
Fracture: |
Irregular/Uneven |
Hardness (Mohs): |
5 - 5,5 |
Colour: |
Brownish black, yellow-brown, reddish brown |
Lustre: |
Adamantine, Silky, Metallic, Dull |
Streak: |
Yellowish brown, orange-yellow, ocher-yellow |
Type locality: |
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany |
Application: |
Iron ore |
|