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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Native Copper from
Brüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Copper 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:100171
Long-form Identifier:1:3:100171:6
GUID (UUID V4):0
Nearest other occurrences of Native Copper
1.8km (1.1 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
2.9km (1.8 miles) ⓘBreimehl Mine, Brachbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
3.0km (1.9 miles) ⓘPrinz Friedrich mine, Obersdorf, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
6.2km (3.8 miles) ⓘWolf Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
6.4km (3.9 miles) ⓘFriedericke mine, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
6.7km (4.2 miles) ⓘAlte Malscheid Mine, Malscheid (Mahlscheid; Mahlscheiderkopf; Mahlscheider Kopf), Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
7.3km (4.5 miles) ⓘSan Fernando Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
8.1km (5.0 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
8.5km (5.3 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
9.5km (5.9 miles) ⓘOhligerzug Mine (Ohliger Zug Mine), Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
 
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