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Kegelite

Kegelite is a complex silicate mineral with formula Pb8Al4Si8O20(SO4)2(CO3)4(OH)8..


It was first described in 1975 for an occurrence in the Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia and named for Frederick Wilhelm Kegel (?{1948), Director of mining operations at Tsumeb.[3][1] It occurs in a deeply oxidized polymetallic ore deposits in Tsumeb. Associated minerals include quartz, galena, mimetite, hematite, leadhillite, anglesite, fleischerite, melanotekite and alamosite.[1] It has also been reported from the Zeehan district in Tasmania and from Tune, Sarpsberg, Østfold, Norway.[3]

References

1. ^ a b c http://rruff.geo.arizona.edu/doclib/hom/kegelite.pdf Handbook of Mineralogy
2. ^ http://www.webmineral.com/data/Kegelite.shtml Webmineral data
3. ^ a b c http://www.mindat.org/min-2175.html Mindat.org



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