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


Locality type:Quarry
Classification
Species:Sanidine
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sanidine data
Locality Data:Click here to view Thelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:41618
Long-form Identifier:1:3:41618:6
GUID (UUID V4):0
Nearest other occurrences of Sanidine
0.7km (0.4 miles) ⓘBasalt quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
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
1.9km (1.2 miles) ⓘSouthern Lake Laach Shore, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
2.2km (1.4 miles) ⓘAuf der Hell, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.5km (1.6 miles) ⓘAlte Burg quarry, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
3.0km (1.9 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.2km (2.0 miles) ⓘMichels Quarry, Hochstein, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.4km (2.1 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.1km (2.6 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Rath, G. v., Die chemische Zusammensetzung des Laacher Sanidins, Ann. Phys. Chem. 135 , 1868] [Minealien Welt 1/93:14]
 
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