Cassiterite
Cassiterite
Item-No.: MINS4881 Price: 25.00 EUR
Tenkergin Mine, Iul'tinskiy Mining Complex, Chukotskii Autonomous Okrug, Far-Eastern Region, Russia
| Synonyms: | Needle-tin ore, Sparable tin, Tin Spar, Stannum Calciforme, Tinstone |
| Classification: | Oxides, Rutile Group |
| Chemical formula: | SnO2 |
| Crystal system: | Tetragonal |
| Density (g/cm3): | 6,98 - 7,01 Measured, 6,993 Calculated |
| Tenacity: | Brittle |
| Cleavage: | Imperfect/fair, imperfect on {100}, indistinct on {110} |
| Fracture: | Irregular/Uneven, Sub-Conchoidal |
| Hardness (Mohs): | 6 - 7 |
| Colour: | Black, yellow, brown, red or white |
| Lustre: | Adamantine, Greasy, Sub-Metallic |
| Streak: | Brownish white, white, greyish |
| Application: | Important ore of tin |