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


Locality type:Mine
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Malachite2
Brochantite2
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:104351
Long-form Identifier:1:3:104351:8
GUID (UUID V4):0
Nearest other occurrences of Goethite
11.6km (7.2 miles) ⓘLeibnitz-Dante Mine, Hoffnungsthal, Rösrath, Rheinisch-Bergischer Kreis, Cologne, North Rhine-Westphalia, Germany
27.2km (16.9 miles) ⓘSilberhardt Mine, Öttershagen, Windeck, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
34.2km (21.3 miles) ⓘVahlberger Zug Mine, Rothemühle, Wenden, Olpe, Arnsberg, North Rhine-Westphalia, Germany
37.2km (23.1 miles) ⓘEupel Mine (incl. Glücksstern Mine; Rasselskaute Mine), Niederhövels, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
40.8km (25.4 miles) ⓘClemenslust Mine, Linz am Rhein, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
40.9km (25.4 miles) ⓘPrangenhaus quarry, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, Germany
40.9km (25.4 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
41.4km (25.7 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
41.6km (25.9 miles) ⓘFürst Moritz Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
41.8km (26.0 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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