Wolframite
Siderite, Ferberite (Wolframite)
Item-No.: MIN0156 Price: 480.00 EUR
Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal
Hübnerite (Wolframite)
Item-No.: MIN0351 Price: 550.00 EUR
Huayllapon Mine, Pasto Bueno, Pampas District, Pallasca Pr., Ancash Dept. Peru
| Synonyms: | Cal, Call, Gal, Mock-lead, Prismatic scheelium ore, Tungsttate of Iron and Manganese, Wolfram |
| IMA Status: | Discredited |
| Classification: | As single mineral not recognised, Wolframite Group |
| Chemical formula: | (Fe,Mn,Mg)WO4 |
| Crystal system: | Monoclinic |
| Density (g/cm3): | 9,175 calculated (Mineralienatlas) |
| Tenacity: | Brittle |
| Cleavage: | Perfect |
| Fracture: | Irregular/Uneven |
| Hardness (Mohs): | 5 - 5,5 |
| Colour: | Greyish-black |
| Lustre: | Sub-Metallic |
| Streak: | Reddish brown |
| Application: | Principal ore of tungsten |