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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Arsenopyrite from
Neue Eintracht Mine, Freusburg, Kirchen, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Neue Eintracht Mine, Freusburg, Kirchen, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:987302
Long-form Identifier:1:3:987302:5
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
0.6km (0.4 miles) ⓘVereinigte Wilhelmine Mine, Freusburg, Kirchen, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
1.6km (1.0 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
1.9km (1.2 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
2.9km (1.8 miles) ⓘFürst Moritz Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
5.5km (3.4 miles) ⓘApfelbaumer Zug Mine, Brachbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
6.9km (4.3 miles) ⓘHollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
7.3km (4.5 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
7.5km (4.7 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
7.9km (4.9 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
8.2km (5.1 miles) ⓘEupel Mine (incl. Glücksstern Mine; Rasselskaute Mine), Niederhövels, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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