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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Cuprite from
Anna quarry, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Cuprite
Formula:Cu2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cuprite data
Locality Data:Click here to view Anna quarry, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:105167
Long-form Identifier:1:3:105167:4
GUID (UUID V4):0
Nearest other occurrences of Cuprite
1.2km (0.8 miles) ⓘGenna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
4.6km (2.9 miles) ⓘErzgebirge II Mine, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
11.2km (7.0 miles) ⓘBecke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
18.7km (11.6 miles) ⓘCalcite quarry, Holzen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
26.4km (16.4 miles) ⓘ"An der Seilbahn" slag locality, Hüsten, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
26.6km (16.5 miles) ⓘSt Caspar Mine, Bärenberg, Plettenberg, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
26.9km (16.7 miles) ⓘLanwehr quarry, Müschede, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
27.1km (16.8 miles) ⓘChurfürst Ernst Mine, Bönkhausen, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
32.5km (20.2 miles) ⓘA46 Highway bridge, Uentrop, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
42.0km (26.1 miles) ⓘRohdenhaus Quarry (incl. Krieger Quarry), Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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