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
Eisenkrone Mine, Derschlag, Gummersbach, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Mine
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 Eisenkrone Mine, Derschlag, Gummersbach, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:119136
Long-form Identifier:1:3:119136:3
GUID (UUID V4):0
Nearest other occurrences of Malachite
6.5km (4.1 miles) ⓘSiegfried Mine, Dieringhausen, Gummersbach, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
15.7km (9.8 miles) ⓘVahlberger Zug Mine, Rothemühle, Wenden, Olpe, Arnsberg, North Rhine-Westphalia, Germany
16.2km (10.1 miles) ⓘSilberkaule Mine, Heckhaus, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
16.2km (10.1 miles) ⓘBliesenbach Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
19.6km (12.2 miles) ⓘCastor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
20.1km (12.5 miles) ⓘSilberhardt Mine, Öttershagen, Windeck, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
21.5km (13.4 miles) ⓘNikolaus mine (Nicolaus mine), Marialinden, Overath, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany
21.7km (13.5 miles) ⓘSilberg Mines, Herscheid, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
24.5km (15.2 miles) ⓘVictoria Mine, Littfeld, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
25.0km (15.5 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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