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Grey is anything but dull as trickster Pyrrhotite battles geometrically-unusual Cylindrite in this monochromatic matchup.
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Posnjakite from
Rohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Posnjakite
Formula:Cu4(SO4)(OH)6 · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Posnjakite data
Locality Data:Click here to view Rohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:853522
Long-form Identifier:1:3:853522:1
GUID (UUID V4):0
Nearest other occurrences of Posnjakite
3.8km (2.4 miles) Prangenhaus quarry, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
43.3km (26.9 miles) Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
45.2km (28.1 miles) Erzgebirge II Mine, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
52.9km (32.8 miles) Becke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
68.0km (42.3 miles) "An der Seilbahn" slag locality, Hüsten, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
75.9km (47.1 miles) Maubacher Bleiberg, Hürtgenwald, Düren, Cologne, North Rhine-Westphalia, Germany
78.1km (48.5 miles) Wildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
79.2km (49.2 miles) Virneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
79.7km (49.5 miles) Fürst Moritz Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
80.4km (49.9 miles) Fischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
References
 
and/or  
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