Chemistry:Asisite
From HandWiki
| Asisite | |
|---|---|
 Asisite from Kombat Mine, Namibia | |
| General | |
| Category | Halide |
| Formula (repeating unit) | Pb7SiO4O4Cl2 |
| Strunz classification | 3.DB.40 |
| Crystal system | Tetragonal Ditetragonal dipyramidal class |
| Space group | Tetragonal H-M symbol: (4/m 2/m 2/m) Space group: I4/mmm |
| Identification | |
| Colour | yellow to yellow-green, red |
| Mohs scale hardness | 3 1⁄2 |
Asisite (Pb7SiO8Cl2) is a yellow tetragonal mineral. It is found at the Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia. It was named for a farm, Asis, where the mine where it was found, is located. It was discovered in 1988.
References
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