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> Minerals
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Ferberite, Wolframite Group
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| Siderite, Ferberite (Wolframite)
 Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal
Item-No.: MIN0156
Price: 480.00 EUR
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| Wolframite, Zinnwaldite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic
Item-No.: MIN0159
Price: 130.00 EUR
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| Synonyms: |
Ferrotungstate, Iron Tungstate, |
| Classification: |
Oxides, Wolframite Group, Ferberite-Hübnerite Series |
| Chemical formula: |
FeWO4 |
| Crystal system: |
Monoclinic |
| Density (g/cm3): |
7,58 measured, 7,6 calculated |
| Tenacity: |
Brittle |
| Cleavage: |
Perfect on {010} |
| Fracture: |
Irregular/Uneven |
| Hardness (Mohs): |
4 - 4,5 |
| Colour: |
Black |
| Lustre: |
Adamantine, Metallic, Sub-Metallic |
| Streak: |
Brownish black to black |
| Type locality: |
Niña Mine, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain |
| Application: |
Important ore of tungsten |
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