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
Katzensteig, St Wilhelm, Oberried, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany


Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tennantite Subgroup data
Locality Data:Click here to view Katzensteig, St Wilhelm, Oberried, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:166324
Long-form Identifier:1:3:166324:2
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
4.9km (3.0 miles) ⓘBrandenberg Mine, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
6.6km (4.1 miles) ⓘMaus Mine, Silberberg, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
6.8km (4.2 miles) ⓘDr. Tholus Brunnen Mine, Silberberg, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
8.7km (5.4 miles) ⓘKrunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany
10.7km (6.7 miles) ⓘTeufelsgrund Mine, Belchen, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
11.0km (6.8 miles) ⓘKnappengrund Mine, Belchen, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
12.7km (7.9 miles) ⓘRiggenbach Mine, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
14.5km (9.0 miles) ⓘWildsbach Mine, Hof, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
15.1km (9.4 miles) ⓘSchlossberg Mine, Münstertal, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
17.8km (11.1 miles) ⓘCobalt mine (Segen Gottes mine; Gottes Segen mine), Sulzburg, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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