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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Sphalerite from
Gierswiese (Gerstwiese), Bad Honnef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Outcrop
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Gierswiese (Gerstwiese), Bad Honnef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:665486
Long-form Identifier:1:3:665486:3
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
3.7km (2.3 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
4.4km (2.7 miles) ⓘMarienberg Mine, Unkel, Unkel, Neuwied, Rhineland-Palatinate, Germany
5.6km (3.5 miles) ⓘClemenslust Mine, Linz am Rhein, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
6.5km (4.0 miles) ⓘLaura Mine, Oberbachem, Wachtberg, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
9.0km (5.6 miles) ⓘAltglück Mine, Bennerscheid, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
10.5km (6.5 miles) ⓘSilistra Mine (Silistria Mine), Kurenbach, Hennef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
12.3km (7.6 miles) ⓘAnxbach Mine, Lorscheid, Sankt Katharinen, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
17.3km (10.8 miles) ⓘPascha Mine, Eitorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
18.7km (11.6 miles) ⓘSilberwiese mine, Oberlahr, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
19.8km (12.3 miles) ⓘLouise Mine, Bürdenbach, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
References
Brauns, Reinhard (1922) Die Mineralien der Niederrheinischen Vulkangebiete - Mit besonderer Berücksichtigung ihrer Bildung und Umbildung. E. Schweizerbart'sche Verlagsbuchhandlung.
 
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