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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Prehnite from
Emmertsberg quarry, Waschenbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany


Locality type:Quarry
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Emmertsberg quarry, Waschenbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:80804
Long-form Identifier:1:3:80804:0
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.8km (0.5 miles) ⓘGlasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
8.5km (5.3 miles) ⓘMühlberg Quarry, Billings, Fischbachtal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
10.6km (6.6 miles) ⓘLinck marble works, Auerbach, Bensheim, Bergstraße, Darmstadt, Hesse, Germany
12.4km (7.7 miles) ⓘKreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany
14.2km (8.8 miles) ⓘAorite quarry (Bitsch Quarry; Am Bannels), Erlenbach, Fürth, Bergstraße, Darmstadt, Hesse, Germany
18.4km (11.4 miles) ⓘRöhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
41.6km (25.8 miles) ⓘStahl quarry, Dörrmorsbach, Haibach, Aschaffenburg District, Lower Franconia, Bavaria, Germany
76.0km (47.2 miles) ⓘRothenberg quarry, Hefersweiler, Lauterecken-Wolfstein, Kusel, Rhineland-Palatinate, Germany
76.0km (47.2 miles) ⓘÖlsberg quarry, Niederkirchen, Otterbach-Otterberg, Kaiserslautern, Rhineland-Palatinate, Germany
77.4km (48.1 miles) ⓘRauschermühle Quarry, Niederkirchen, Otterbach-Otterberg, Kaiserslautern, Rhineland-Palatinate, Germany
References
Nickel, E., and Fettel, M. (1985): Odenwald. Sammlung geologischer Führer Vol. 65, 2nd ed., Bornträger (Berlin, Stuttgart), 231 pp.
 
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