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


05050950017365887177405.jpg
Prehnite, etc.

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
05083160017272000676795.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
01342990017272000697565.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
09042610017272000728660.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
00696670017367303741991.jpg
Prehnite, etc.

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
05083160017272000676795.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
01342990017272000697565.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
09042610017272000728660.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
08933640017367303747181.jpg
Prehnite, etc.

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
05083160017272000676795.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
01342990017272000697565.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
09042610017272000728660.jpg
Prehnite

Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Locality type:Quarry
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite1
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:80730
Long-form Identifier:1:3:80730:6
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.8km (0.5 miles) ⓘEmmertsberg quarry, Waschenbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
9.2km (5.7 miles) ⓘMühlberg Quarry, Billings, Fischbachtal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
10.5km (6.5 miles) ⓘLinck marble works, Auerbach, Bensheim, Bergstraße, Darmstadt, Hesse, Germany
12.9km (8.0 miles) ⓘKreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany
14.5km (9.0 miles) ⓘAorite quarry (Bitsch Quarry; Am Bannels), Erlenbach, Fürth, Bergstraße, Darmstadt, Hesse, Germany
18.6km (11.5 miles) ⓘRöhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
42.2km (26.2 miles) ⓘStahl quarry, Dörrmorsbach, Haibach, Aschaffenburg District, Lower Franconia, Bavaria, Germany
75.3km (46.8 miles) ⓘRothenberg quarry, Hefersweiler, Lauterecken-Wolfstein, Kusel, Rhineland-Palatinate, Germany
75.3km (46.8 miles) ⓘÖlsberg quarry, Niederkirchen, Otterbach-Otterberg, Kaiserslautern, Rhineland-Palatinate, Germany
76.8km (47.7 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.
Burisch, Mathias; Gerdes, Axel; Walter, Benjamin F.; Neumann, Udo; Fettel, Michael; Markl, Gregor (2017) Methane and the origin of five-element veins: Mineralogy, age, fluid inclusion chemistry and ore forming processes in the Odenwald, SW Germany. Ore Geology Reviews, 81. doi:10.1016/j.oregeorev.2016.10.033
 
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