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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Tennantite Subgroup from
Khusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Wulfenite3
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Khusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:12741
Long-form Identifier:1:3:12741:3
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
15.5km (9.6 miles) ⓘAbenab West Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
15.9km (9.9 miles) ⓘAbenab Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
22.3km (13.8 miles) ⓘUitsab Mine (Uitsab prospect), Grootfontein Constituency, Otjozondjupa Region, Namibia
26.0km (16.2 miles) ⓘBerg Aukas Mine, Grootfontein Constituency, Otjozondjupa Region, Namibia
38.0km (23.6 miles) ⓘTsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
39.6km (24.6 miles) ⓘTsumeb West Mine, Tsumeb, Oshikoto Region, Namibia
42.8km (26.6 miles) ⓘWolkenhaube prospect, Gauss Farm 46, Otavi Constituency, Otjozondjupa Region, Namibia
45.7km (28.4 miles) ⓘAuros Farm 595, Otavi Constituency, Otjozondjupa Region, Namibia
46.1km (28.7 miles) ⓘKombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
52.0km (32.3 miles) ⓘAlt Bobos Mine, Uris Farm 481, Guinas, Oshikoto Region, Namibia
References
Cairncross, Bruce (1997) The Otavi Mountain Land Cu-Pb-Zn-V Deposits, Namibia. The Mineralogical Record, 28 (2) 109-130
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
Melcher, Frank; Oberthür, Thomas; Rammlmair, Dieter (2006) Geochemical and mineralogical distribution of germanium in the Khusib Springs Cu–Zn–Pb–Ag sulfide deposit, Otavi Mountain Land, Namibia. Ore Geology Reviews, 28 (1). p.32-56. doi:10.1016/j.oregeorev.2005.04.006
 
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