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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Siegenite from
Lohmann field, Große Burg Mine, Altenseelbach, Neunkirchen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine Zone
Classification
Species:Siegenite
Formula:CoNi2S4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siegenite data
Locality Data:Click here to view Lohmann field, Große Burg Mine, Altenseelbach, Neunkirchen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:164191
Long-form Identifier:1:3:164191:2
GUID (UUID V4):0
Nearest other occurrences of Siegenite
2.8km (1.7 miles) ⓘLudwigseck Mine, Salchendorf, Neunkirchen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
4.6km (2.9 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
4.9km (3.1 miles) ⓘFüsseberg Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
6.4km (4.0 miles) ⓘPeterszeche mine, Burbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
6.6km (4.1 miles) ⓘSchöne Aussicht Mine, Burbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
7.6km (4.7 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
7.7km (4.8 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
8.0km (5.0 miles) ⓘLehnscheid, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
10.3km (6.4 miles) ⓘNeue Eintracht Mine, Freusburg, Kirchen, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
14.0km (8.7 miles) ⓘFriedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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