Birimba, №321, B.P40 Rumonge Burundi
Welcome To Société Coopérative Minérales Mutabazi
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Burundi
| Chemical Formula | SnO₂ |
| Color | Brown, black, yellow, red, and green |
| Hardness | 6 – 7 on the Mohs scale |
| Density | 6.8 – 7.1 g/cm³ |
| Refractive Index | 1.98 – 2.00 |
| Transparency | Transparent to opaque |
| Luster | Adamantine (brilliant) |
| Crystal System | Tetragonal |
| Cleavage | None |
| Fracture | Conchoidal |
| Melting Point | 1,800 – 2,000 °C |
| Specific Gravity | 6.8 – 7.1 |
| Origin | Found in locations like Bolivia, Indonesia, China, and Myanmar |
| Uses | Tin ore extraction, gemstones |
| Streak | White |