Tedrahedrite
Tedraedrite, Siderite
Item-No.: 0300258 Price: 35.00 EUR
Březové Hory ore region (Birkenberg), Příbram, Central Bohemia Region, Bohemia, Czech Republic
Tedraedrite
Item-No.: 0300262 Price: 50.00 EUR
Pribram - Brezove Hory, CZ
Tetraedrite, Sfalerite (va. Cleophan)
Item-No.: MIN5827 Price: 185.00 EUR
Cavnic (Kapnic), Maramures, Co., Romania
Tetraedrite
Item-No.: MIN6197 Price: 360.00 EUR
Cavnic (Kapnic), Maramures, Co., Romania
| Synonyms: | Aftonite, Aphthonite, Falkenhaynite, Fieldite, Nepaulite, Panabase, Studerite |
| Classification: | Sulfides, Tetrahedrite Group |
| Chemical formula: | Cu10(Fe,Zn)2Sb4S13 |
| Crystal system: | Isometric |
| Density (g/cm3): | 4,97 measured, 4,99 calculated |
| Tenacity: | Brittle |
| Cleavage: | Non observed |
| Fracture: | Sub-conchoidal |
| Hardness (Mohs): | 3 - 4,5 |
| Colour: | Steel- to iron-gray or to olive brown |
| Lustre: | Metallic |
| Streak: | Black, brown to dark red |
| Type locality: | Copiapó, Copiapó Province, Atacama Region, Chile |
| Application: | Important ore of copper |