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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Malachite from
Donnerkuhle quarry, Hagen, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Donnerkuhle quarry, Hagen, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:357828
Long-form Identifier:1:3:357828:5
GUID (UUID V4):0
Nearest other occurrences of Malachite
4.1km (2.5 miles) ⓘHohenlimburg quarry, Oege, Hohenlimburg, Hagen, Arnsberg, North Rhine-Westphalia, Germany
6.4km (4.0 miles) ⓘGenna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
7.5km (4.7 miles) ⓘAnna quarry, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
11.3km (7.0 miles) ⓘErzgebirge II Mine, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
18.4km (11.4 miles) ⓘBecke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
23.1km (14.3 miles) ⓘSilberg Mines, Herscheid, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
26.2km (16.3 miles) ⓘCalcite quarry, Holzen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
30.7km (19.1 miles) ⓘHohmannsburg Mine (Clemens adit), Neviges, Velbert, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
32.0km (19.9 miles) ⓘEbel quarry, Herdringen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
32.4km (20.1 miles) ⓘSt Caspar Mine, Bärenberg, Plettenberg, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
References
Höhle, Frank (2004) Mineralien aus der Donnerkuhle! Über Millerit-Neufunde aus dem Sauerland [Minerals from the Donnerkuhle! About new millerite discoveries from the Sauerland]. Mineralien Welt, 15 (2). 34-35
 
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