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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Tetrahedrite Subgroup from
Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Comments:Antimony appears to be scarce and not positively identified. May be included due to mistranslation of fahlerz.
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Cerussite6
Smithsonite6
Bournonite1
Mimetite1
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:10933
Long-form Identifier:1:3:10933:8
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
34.2km (21.3 miles) ⓘToggenburg Farm 591, Guinas, Oshikoto Region, Namibia
38.0km (23.6 miles) ⓘKhusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia
38.7km (24.1 miles) ⓘAbenab Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
39.5km (24.6 miles) ⓘAbenab West Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
45.0km (28.0 miles) ⓘAuros Farm 595, Otavi Constituency, Otjozondjupa Region, Namibia
63.7km (39.6 miles) ⓘBerg Aukas Mine, Grootfontein Constituency, Otjozondjupa Region, Namibia
References
(1977) Mineral Index. The Mineralogical Record, 8 (3) 129
 
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