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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Sturmanite from
Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


09900340017362611851974.jpg
Sturmanite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
02011900017272011412308.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
07015100017272011394972.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
04532880017703447394331.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
09900340017362611851974.jpg
Sturmanite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
03188230017362611868616.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
07015100017272011394972.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
04850580017703109233344.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
02095440017362611872822.jpg
Sturmanite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
02011900017272011412308.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
07015100017272011394972.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
04022580017703447402710.jpg
Sturmanite

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Locality type:Mine
Classification
Species:Sturmanite
Formula:Ca6Fe23+(SO4)2.5[B(OH)4](OH)12 · 25H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Brucite5
Hydroxyapophyllite-(K)3
Calcite3
Hematite2
Andradite2
Quartz2
Manganite2
Gaudefroyite1
Charlesite1
Data
Mineral Data:Click here to view Sturmanite data
Locality Data:Click here to view Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Photo GalleryView Gallery (28 photos)
Data Identifiers
Mindat Occurrence Record ID:13154
Long-form Identifier:1:3:13154:0
GUID (UUID V4):0
Nearest other occurrences of Sturmanite
2.5km (1.5 miles) ⓘN'Chwaning III Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
2.7km (1.7 miles) ⓘN'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
2.9km (1.8 miles) ⓘN'Chwaning I Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
3.0km (1.9 miles) ⓘBlack Rock Mine, Black Rock, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Pohl, Demetrius, Bezing, K.L. Von, Dixon, Roger D., Cavallo, Greg (1991) The Kalahari Manganese Field [South Africa]: an Update. The Mineralogical Record, 22 (4) 279-297
 
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