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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Orthoclase from
Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany


Locality type:Quarry
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:80728
Long-form Identifier:1:3:80728:1
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
10.8km (6.7 miles) ⓘGabbro quarry, Bensenböhlskopf, Groß-Bieberau, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
12.9km (8.0 miles) ⓘKrehberg, Seidenbuch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany
18.3km (11.3 miles) ⓘRöhrig quarry, Hundskopf, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
18.6km (11.5 miles) ⓘRöhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
25.0km (15.5 miles) ⓘGärtnerskopf quarry, Ober-Mengelbach, Wald-Michelbach, Bergstraße, Darmstadt, Hesse, Germany
34.6km (21.5 miles) ⓘFeldspar mine, Hermannsgrund, Weites Tal, Schriesheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
42.2km (26.2 miles) ⓘStahl quarry, Dörrmorsbach, Haibach, Aschaffenburg District, Lower Franconia, Bavaria, Germany
49.1km (30.5 miles) ⓘFuchs Quarry, Hartkoppe, Sailauf, Aschaffenburg District, Lower Franconia, Bavaria, Germany
56.5km (35.1 miles) ⓘChina clay deposit (Rothenberg kaolin mine), Geisenheim, Geisenheim, Rheingau-Taunus-Kreis, Darmstadt, Hesse, Germany
91.2km (56.6 miles) ⓘAttenberg quarry, Großen-Buseck, Buseck, Giessen, Giessen Region, Hesse, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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