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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Chlorite Group from
In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:423503
Long-form Identifier:1:3:423503:3
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
0.7km (0.4 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.3km (0.8 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.7km (1.0 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.0km (2.5 miles) ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
5.7km (3.5 miles) ⓘHüttenberg sand pit, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
8.2km (5.1 miles) ⓘSilbersand Mine, Sankt Johann, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
24.8km (15.4 miles) ⓘHoffnung Mine (Spes Mine), Martinsknipp, Ahrbrück, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
25.1km (15.6 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
25.5km (15.9 miles) ⓘAare-Hochstaden Mine, Altenahr, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
28.3km (17.6 miles) ⓘSaarsegen Mine, Lind, Altenahr, Ahrweiler, Rhineland-Palatinate, Germany
References
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
 
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