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Formula: Pb7SiO8Cl2
Lead oxychloride
Crystal System: Tetragonal
Specific gravity: 8.041 calculated
Hardness: 3½
Streak: Light yellow to white
Colour: Yellow to yellow-green, red
Environments
Sedimentary environments
Hydrothermal environments
Localities
At the type locality, the Kombat Mine, Kombat, Grootfontein, Otjozondjupa Region, Namibia, asisite occurs as
yellow to
greenish-yellow, 0.5 mm, platy crystals, in manganese silicate lenses near
to a sulphide
ore body. Associated minerals include hematophanite,
baryte, jacobsite,
hematite, copper,
molybdophyllite and chlorite
(HOM, Mindat).
Asisite from Kombat - Image
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