Avicennite
Avicennite (thallium(III) oxide) is an oxide mineral. It was discovered around the Dzhuzumli village, Samarqand, Uzbekistan. It is named after Avicenna, a Persian doctor and polymath.
| Avicennite | |
|---|---|
| General | |
| Category | Mineral |
| Formula (repeating unit) | Tl2O3 |
| Strunz classification | 4.CB.10 |
| Dana classification | 04.03.08.01 |
| Crystal system | Cubic |
| Crystal class | Diploidal (m3) H-M symbol: (2/m 3) |
| Space group | Ia3 |
| Identification | |
| Color | Grayish black with brownish black tint |
| Mohs scale hardness | 2 |
| Density | 8.9 |
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