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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Arsenopyrite from
Kuhlenberg quarry, Silbach, Winterberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Kuhlenberg quarry, Silbach, Winterberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:90386
Long-form Identifier:1:3:90386:8
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
11.0km (6.8 miles) ⓘDörnberg Mine, Olsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
37.9km (23.5 miles) ⓘGlanzenberg Mine, Silberg, Kirchhundem, Olpe, Arnsberg, North Rhine-Westphalia, Germany
40.9km (25.4 miles) ⓘStahlberg Mine (Schwabengrube), Müsen, Hilchenbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
42.2km (26.2 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
42.5km (26.4 miles) ⓘVictoria Mine, Littfeld, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
47.9km (29.7 miles) ⓘNeue Haardt Mine (Neue Hardt Mine), Weidenau, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
53.0km (32.9 miles) ⓘPrinz Friedrich mine, Obersdorf, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
55.4km (34.4 miles) ⓘBautenberg Mine, Wilden, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
55.4km (34.4 miles) ⓘBrüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
56.7km (35.2 miles) ⓘStahlseifen Mine, Salchendorf, Neunkirchen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
Jahn, Steffen; Hadasch, Harry (2002) Eine kleine "Weltfundstelle" im Sauerland: Der Steinbruch am Kuhlenberg bei Silbach [A small "world discovery site" in the Sauerland: The quarry at Kuhlenberg near Silbach]. Mineralien-Welt, 13 (3). 16-29
 
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