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Asisite

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Asisite
Asisite from Kombat Mine, Namibia
General
CategoryHalide
Formula
(repeating unit)
Pb7SiO4O4Cl2
Strunz classification3.DB.40
Crystal systemTetragonal
Ditetragonal dipyramidal class
Space groupTetragonal
H-M symbol: (4/m 2/m 2/m)
Space group: I4/mmm
Identification
Colouryellow to yellow-green, red
Mohs scale hardness3+12

Asisite (Pb7SiO8Cl2) is a yellow tetragonal mineral. It is found at Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia. It was named for a farm, Asis, which covers the mine where it was found. It was discovered in 1988.

References