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
Bergsegen I Mine, Aremberg, Adenau, Ahrweiler, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Polydymite
Formula:Ni2+Ni23+S4
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Polydymite data
Locality Data:Click here to view Bergsegen I Mine, Aremberg, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:913190
Long-form Identifier:1:3:913190:3
GUID (UUID V4):0
Nearest other occurrences of Polydymite
3.4km (2.1 miles) ⓘDorothea Mine, Fuchshofen, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
11.6km (7.2 miles) ⓘHürnigskopf Mine, Hürnig, Kirchsahr, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
12.1km (7.5 miles) ⓘSaarsegen Mine, Lind, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
22.2km (13.8 miles) ⓘBendisberg Mine, St Jost, Langenfeld, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
54.7km (34.0 miles) ⓘLammerichskaule Mine, Bürdenbach, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
81.3km (50.5 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
84.6km (52.6 miles) ⓘKäusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
85.7km (53.2 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
85.8km (53.3 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
90.2km (56.1 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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