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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Marcasite from
Lanwehr quarry, Müschede, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite3
Calcite3
Limonite3
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Lanwehr quarry, Müschede, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:80602
Long-form Identifier:1:3:80602:4
GUID (UUID V4):0
Nearest other occurrences of Marcasite
2.7km (1.7 miles) ⓘEbel quarry, Herdringen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
4.1km (2.5 miles) ⓘEffenberg quarry, Herdringen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
5.6km (3.5 miles) ⓘA46 Highway bridge, Uentrop, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
8.3km (5.2 miles) ⓘCalcite quarry, Holzen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
9.4km (5.8 miles) ⓘWestenfeld quarry, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
11.0km (6.9 miles) ⓘAsbeck quarry (Hönne valley quarry), Eisborn, Balve, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
12.5km (7.7 miles) ⓘChurfürst Ernst Mine, Bönkhausen, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
13.7km (8.5 miles) ⓘBasalt AG quarry, Berge, Meschede, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
13.8km (8.6 miles) ⓘDiabaswerk quarry, Berge, Meschede, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
16.3km (10.2 miles) ⓘBecke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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