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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Polydymite from
Hürnigskopf Mine, Hürnig, Kirchsahr, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Polydymite
Formula:Ni2+Ni23+S4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Polydymite data
Locality Data:Click here to view Hürnigskopf Mine, Hürnig, Kirchsahr, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:913131
Long-form Identifier:1:3:913131:6
GUID (UUID V4):0
Nearest other occurrences of Polydymite
1.8km (1.1 miles) ⓘSaarsegen Mine, Lind, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
8.8km (5.4 miles) ⓘDorothea Mine, Fuchshofen, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
11.6km (7.2 miles) ⓘBergsegen I Mine, Aremberg, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
21.6km (13.4 miles) ⓘBendisberg Mine, St Jost, Langenfeld, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
45.3km (28.2 miles) ⓘLammerichskaule Mine, Bürdenbach, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
70.8km (44.0 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
74.8km (46.5 miles) ⓘKäusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
75.7km (47.0 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
75.8km (47.1 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
79.7km (49.5 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
References
Reppke, V. (1993) Varistische und postvaristische Buntmetallmineralisationen in der östlichen Eifel (Linksrheinisches Schiefergebirge). Ein mineralogischer und bergbauhistorischer Überblick. Dissertation, Universität Göttingen, Germany, 347 pp. (in German).
 
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