Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Kegelite from
Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia


08479810017362304035901.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03602030017272009345290.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
05434290017272009378568.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
04873100017271924188777.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
08479810017362304035901.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
04304050017362304043625.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
05434290017272009378568.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
04873100017271924188777.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
07671110017362304051748.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03602030017272009345290.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
05434290017272009378568.jpg
Kegelite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
04873100017271924188777.jpg
Kegelite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Locality type:Mine
Classification
Species:Kegelite
Formula:Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very Rare
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Alamosite10
Melanotekite7
Siderite4
Wulfenite1
Anglesite1
Data
Mineral Data:Click here to view Kegelite data
Locality Data:Click here to view Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:13356
Long-form Identifier:1:3:13356:6
GUID (UUID V4):0
References
Medenbach, O., Schmetzer, K. (1975) Kegelite - ein neues Bleisilikat von Tsumeb. Naturwissenschaften: 62: 137. (in German with English abstract)
Dunn, Pete J., Braithwaite, Richard S. W., Roberts, Andrew C., Ramik, Robert A. (1990) Kegelite from Tsumeb, Namibia: A redefinition. American Mineralogist, 75 (5-6) 702-704
 
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