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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Dickite from
Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Dickite
Formula:Al2(Si2O5)(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dickite data
Locality Data:Click here to view Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:104347
Long-form Identifier:1:3:104347:1
GUID (UUID V4):0
Nearest other occurrences of Dickite
10.1km (6.3 miles) ⓘLüderich Mine, Altenbrück, Steinenbrück, Overath, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany
41.6km (25.9 miles) ⓘFürst Moritz Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
47.1km (29.3 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
47.4km (29.4 miles) ⓘSt Caspar Mine, Bärenberg, Plettenberg, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
47.9km (29.8 miles) ⓘMercur Mine (Merkur Mine), Silberg, Kirchhundem, Olpe, Arnsberg, North Rhine-Westphalia, Germany
48.3km (30.0 miles) ⓘEisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
49.9km (31.0 miles) ⓘApollo Mine, Raubach, Puderbach, Neuwied, Rhineland-Palatinate, Germany
52.2km (32.4 miles) ⓘPrinz Friedrich mine, Obersdorf, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
57.5km (35.7 miles) ⓘSchöne Aussicht Mine, Burbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
64.7km (40.2 miles) ⓘBreitenbenden, Mechernich, Euskirchen, Cologne, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
Habel, Bernd; Linder, Rudolf (2009) Die Grube "Castor" bei Loope und ihre Mineralien [The "Castor" mine near Loope and its minerals]. Mineralien Welt, 20 (3). p.10-23.
 
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