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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Calcite from
Consolidation coal mine, Schalke, Gelsenkirchen, Münster, North Rhine-Westphalia, Germany


Locality type:Colliery
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Consolidation coal mine, Schalke, Gelsenkirchen, Münster, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:877341
Long-form Identifier:1:3:877341:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
2.1km (1.3 miles) ⓘUnser Fritz coal mine, Wanne, Wanne-Eickel, Herne, Arnsberg, North Rhine-Westphalia, Germany
2.3km (1.4 miles) ⓘPluto coal mine, Wanne-Eickel, Herne, Arnsberg, North Rhine-Westphalia, Germany
5.9km (3.7 miles) ⓘJulia coal mine, Baukau, Herne, Arnsberg, North Rhine-Westphalia, Germany
6.5km (4.1 miles) ⓘZollverein coal mine, Stoppenberg, Essen, Düsseldorf, North Rhine-Westphalia, Germany
8.3km (5.2 miles) ⓘGraf Moltke coal mine, Gladbeck, Recklinghausen, Münster, North Rhine-Westphalia, Germany
10.5km (6.5 miles) ⓘFriedrich der Große coal mine, Horsthausen, Herne, Arnsberg, North Rhine-Westphalia, Germany
12.2km (7.6 miles) ⓘChristian Levin coal mine, Dellwig, Essen, Düsseldorf, North Rhine-Westphalia, Germany
13.6km (8.4 miles) ⓘErin coal mine, Castrop-Rauxel, Recklinghausen, Münster, North Rhine-Westphalia, Germany
15.5km (9.6 miles) ⓘAuguste Victoria coal mine, Hüls, Marl, Recklinghausen, Münster, North Rhine-Westphalia, Germany
16.0km (9.9 miles) ⓘFranz-Haniel Mine, Bottrop, Münster, North Rhine-Westphalia, Germany
References
www.minister-achenbach.de (2012) http://www.minister-achenbach.de/mineralien.html
 
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