Kegelite is a complex silicate mineral with formula Pb 8 Al 4 Si 8 O 20 (SO 4) 2 (CO 3) 4 (OH) 8. It was first described in 1975 for an occurrence in the Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia and named for Friedrich Wilhelm Kegel (?-1948), Director of mining operations at Tsumeb.
Kegelite mineral data, information about Kegelite, its properties and worldwide locations. SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser! Log In Register.
Definition of kegelite in the Definitions.net dictionary. Meaning of kegelite. What does kegelite mean? Information and translations of kegelite in the most comprehensive dictionary definitions resource on the web.
kegelite definition: Noun 1. (mineralogy) A monoclinic mineral containing aluminum, carbon, hydrogen, lead, oxygen, silicon, and sulfur.Origin -ite...
Kegelite was the first lead silicate described from Tsumeb (Medenbach and Schmetzer, 1976). Keller (1977) recognises the following "rare mineral paragenesis": primary sulphides >> wulfenite >> alamosite >> kegelite >> leadhillite >> cerussite.
REFERENCES for Kegelite; Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America.
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MD-208647 Kegelite, Siderite Thumbnail, 1.7 x 1.4 x 1.3 cm Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia SOLD. Although this may not look like much to most collectors, others will recognize it as an extraordinarily rich specimen of the extremely rare species Kegelite, a lead species found in macrocrystals only at Tsumeb (the type locality).
Kegelite Pb8Al4Si8O20(SO4)2(CO3)4(OH)8 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic, pseudohexagonal. Point Group: 2=m; 2; or m: As pseudohexagonal plates with dominant f100g, to 0.3 mm, forming spherical aggregates.
Media in category "Kegelite" The following 4 files are in this category, out of 4 total.