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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Corundum from
Eudenberg quarry, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Corundum
Formula:Al2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Eudenberg quarry, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:993290
Long-form Identifier:1:3:993290:6
GUID (UUID V4):0
Nearest other occurrences of Corundum
6.1km (3.8 miles) ⓘPerlenhardt, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
7.0km (4.4 miles) ⓘÖlberg (Oelberg), Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
8.6km (5.3 miles) ⓘStenzelberg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
9.0km (5.6 miles) ⓘWeilberg (Großer Weilberg), Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
9.8km (6.1 miles) ⓘWolkenburg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
10.3km (6.4 miles) ⓘDrachenfels, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
10.7km (6.6 miles) ⓘJungfernberg, Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
11.1km (6.9 miles) ⓘMinderberg quarry (Düstemich), Linz am Rhein, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
14.5km (9.0 miles) ⓘUnkelstein, Unkelbach, Remagen, Ahrweiler, Rhineland-Palatinate, Germany
15.6km (9.7 miles) ⓘFinkenberg, Bonn, Cologne, North Rhine-Westphalia, Germany
References
 
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