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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Ankerite from
Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia


08107010017367208008967.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
09600500017363107497580.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
00718180017367062844238.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
06065890017272004599974.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
00718180017367062844238.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
06065890017272004599974.jpg
Ankerite, etc.

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Malachite2
Tennantite Subgroup1
Mimetite1
Smithsonite1
Native Copper1
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:13290
Long-form Identifier:1:3:13290:1
GUID (UUID V4):0
Nearest other occurrences of Ankerite
38.0km (23.6 miles) ⓘKhusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia
References
Chetty, D., Frimmel, H. E. (2000) The role of evaporites in the genesis of base metal sulphide mineralisation in the Northern Platform of the Pan-African Damara Belt, Namibia: geochemical and fluid inclusion evidence from carbonate wall rock alteration. Mineralium Deposita, 35 (4) 364-376 doi:10.1007/s001260050247
 
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