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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Chlorite Group from
Brüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Brüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:100148
Long-form Identifier:1:3:100148:8
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
3.0km (1.9 miles) ⓘPrinz Friedrich mine, Obersdorf, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
4.1km (2.5 miles) ⓘApfelbaumer Zug Mine, Brachbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
6.2km (3.8 miles) ⓘWolf Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
9.2km (5.7 miles) ⓘFriedrich-Wilhelm Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
9.2km (5.7 miles) ⓘNeue Haardt Mine (Neue Hardt Mine), Weidenau, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
10.6km (6.6 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
13.2km (8.2 miles) ⓘVereinigung Mine, Katzwinkel, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
15.2km (9.4 miles) ⓘFriedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
15.9km (9.9 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
16.4km (10.2 miles) ⓘEupel Mine (incl. Glücksstern Mine; Rasselskaute Mine), Niederhövels, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
References
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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