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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Chalcopyrite from
Dr. Tholus Brunnen Mine, Silberberg, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Dr. Tholus Brunnen Mine, Silberberg, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
Data Identifiers
Mindat Occurrence Record ID:166268
Long-form Identifier:1:3:166268:9
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.1km (0.7 miles) ⓘMaus Mine, Silberberg, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
1.4km (0.9 miles) ⓘBaumhalde Mine, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
2.1km (1.3 miles) ⓘBrandenberg Mine, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
2.4km (1.5 miles) ⓘFahl, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
2.6km (1.6 miles) ⓘFluorite mine, Hof, Bernau im Schwarzwald, Waldshut, Freiburg Region, Baden-Württemberg, Germany
2.6km (1.6 miles) ⓘLisbühl, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
4.0km (2.5 miles) ⓘKrunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-Württemberg, Germany
5.4km (3.4 miles) ⓘBernhard Mine, Geschwend, Todtnau, Lörrach, Freiburg Region, Baden-Württemberg, Germany
6.8km (4.2 miles) ⓘKatzensteig, St Wilhelm, Oberried, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
7.3km (4.5 miles) ⓘSpitzdobel Mine, Wieden, Lörrach, Freiburg Region, Baden-Württemberg, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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