Kegelite
A variety of Minerals
What is 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 Friedrich Wilhelm Kegel (?-1948), Director of mining operations at Tsumeb. It occurs in a deeply oxidized polymetallic ore deposits in Tsumeb. Associated minerals include quartz, galena, mimetite, hematite, leadhillite, anglesite, fleischerite, melanotekite and alamosite. It has also been reported from the Zeehan district in Tasmania and from Tune, Sarpsberg, Østfold, Norway.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Kegelite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Quick Facts
Physical Properties
- Color
- colorless
Chemical Properties
- Chemical Formula
- Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8
- Elements
- Al, C, H, O, Pb, S, Si
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Kegelite FAQs
How do I identify Kegelite?
Kegelite can be identified by its colorless color. Look for these key characteristics when examining specimens.
What color is Kegelite?
Kegelite typically appears in colorless. Color can vary depending on impurities and formation conditions.
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