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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Annabergite from
Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Annabergite
Formula:Ni3(AsO4)2 · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Annabergite data
Locality Data:Click here to view Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:104335
Long-form Identifier:1:3:104335:8
GUID (UUID V4):0
Nearest other occurrences of Annabergite
5.4km (3.4 miles) ⓘSilberkaule Mine, Heckhaus, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
17.6km (10.9 miles) ⓘVersöhnung Mine, Altenrath, Troisdorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
41.4km (25.7 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
41.8km (26.0 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
43.3km (26.9 miles) ⓘLouise Mine, Bürdenbach, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
44.0km (27.4 miles) ⓘVictoria Mine, Littfeld, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
46.3km (28.8 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
47.1km (29.3 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
48.0km (29.8 miles) ⓘStahlberg Mine (Schwabengrube), Müsen, Hilchenbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
49.2km (30.6 miles) ⓘFüsseberg Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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