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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Chalcoalumite from
Käusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Chalcoalumite
Formula:CuAl4(SO4)(OH)12 · 3H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcoalumite data
Locality Data:Click here to view Käusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:100514
Long-form Identifier:1:3:100514:1
GUID (UUID V4):0
Nearest other occurrences of Chalcoalumite
6.5km (4.0 miles) ⓘWolf Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
8.3km (5.1 miles) ⓘFriedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
8.7km (5.4 miles) ⓘKnappschaftsglück Mine, Neunkirchen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
9.6km (6.0 miles) ⓘBreimehl Mine, Brachbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
11.0km (6.8 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
12.4km (7.7 miles) ⓘBrüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
28.2km (17.5 miles) ⓘBrüche Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
28.3km (17.6 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
46.8km (29.1 miles) ⓘCastor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
51.0km (31.7 miles) ⓘFriedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
References
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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