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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Meionite from
Thelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:Meionite
Formula:Ca4Al6Si6O24CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Meionite data
Locality Data:Click here to view Thelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:318758
Long-form Identifier:1:3:318758:6
GUID (UUID V4):0
Nearest other occurrences of Meionite
1.1km (0.7 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
1.7km (1.0 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.0km (1.9 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.1km (2.6 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.5km (2.8 miles) ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
4.8km (3.0 miles) ⓘHufnagel, Kottenheim, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.2km (3.2 miles) ⓘEttringer Feld, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.7km (3.6 miles) ⓘMayener Feld, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.8km (3.6 miles) ⓘHüttenberg sand pit, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
9.3km (5.8 miles) ⓘEiterköpfe quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Rath, G. v., Mejonit vom Laacher See, Ann. Phys. Chem. 119, 262-269, 1863
 
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