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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Anorthoclase from
Auf Dickel (incl. Nonnental), Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany


Locality type:Occurrence
Classification
Species:Albite var: Anorthoclase
Formula:(Na,K)AlSi3O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anorthoclase data
Locality Data:Click here to view Auf Dickel (incl. Nonnental), Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:347692
Long-form Identifier:1:3:347692:5
GUID (UUID V4):0
Nearest other occurrences of Anorthoclase
42.8km (26.6 miles) ⓘHüttenberg sand pit, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
43.4km (27.0 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
44.0km (27.3 miles) ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
44.3km (27.5 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
45.0km (27.9 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
46.2km (28.7 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
58.2km (36.2 miles) ⓘDrachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
94.6km (58.8 miles) ⓘWesterwald Volcanic Field, Westerwaldkreis, Rhineland-Palatinate, Germany
References
El-Kaluoby, B., Mineralbestand und Gefüge vulkanischer Glimmerschiefer-Auswürflinge des Kyller Kopfes, Westeifel, Diss., Rhein. Fried.-Wilh.-Universität, Bonn, 1981
 
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