Asisite (Pb₇SiO₈Cl₂) is a yellow

tetragonal In crystallography, the tetragonal crystal system is one of the 7 crystal systems. Tetragonal crystal lattices result from stretching a cubic lattice along one of its lattice vectors, so that the Cube (geometry), cube becomes a rectangular Pri ...

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2011): Mi ...

. It is found at the Kombat Mine, Kombat, Grootfontein District,

Otjozondjupa Region Otjozondjupa is one of the fourteen regions of Namibia. Its capital is Otjiwarongo. The region further contains the municipalities of Okahandja and Grootfontein and the towns Okakarara and Otavi. , Otjozondjupa had 97,945 registered voters. Geogr ...

Namibia Namibia, officially the Republic of Namibia, is a country on the west coast of Southern Africa. Its borders include the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the no ...

. It was named for a farm, Asis, where the mine where it was found, is located. It was discovered in 1988.

References

Mindat.org - Asisite

Webmineral.com - AsisiteHandbook of Mineralogy - Asisite
Lead minerals Halide minerals {{silicate-mineral-stub