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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Diopside from
Ettringer Feld, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany


Locality type:Mining Area
Classification
Species:Diopside
Formula:CaMgSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Ettringer Feld, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:618177
Long-form Identifier:1:3:618177:2
GUID (UUID V4):0
Nearest other occurrences of Diopside
1.1km (0.7 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.7km (1.1 miles) ⓘMayener Feld, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.2km (1.3 miles) ⓘXenolith CS-020, Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.4km (1.5 miles) ⓘXenolith CS-090 (Hopmannite type locality), Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.9km (2.4 miles) ⓘRodder Höfe, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.2km (3.2 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.3km (3.9 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.9km (4.3 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
7.2km (4.5 miles) ⓘKappiger Ley (Kappiger Lay), Wehr, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
8.2km (5.1 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Brauns, Reinhard (1922) Die Mineralien der Niederrheinischen Vulkangebiete - Mit besonderer Berücksichtigung ihrer Bildung und Umbildung. E. Schweizerbart'sche Verlagsbuchhandlung.
Hentschel, G. (1961) Seltene Mineralneubildungen in einem Kalksteineinschluß der Lava des Ettringer Bellerberges. Fortschritte der Mineralogie: 39: 345.
 
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