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
Uffeln Quarry, Ibbenbüren, Steinfurt, Münster, North Rhine-Westphalia, Germany


Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Uffeln Quarry, Ibbenbüren, Steinfurt, Münster, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:94386
Long-form Identifier:1:3:94386:6
GUID (UUID V4):0
Nearest other occurrences of Marcasite
6.9km (4.3 miles) ⓘIbbenbüren mine, Ibbenbüren, Steinfurt, Münster, North Rhine-Westphalia, Germany
12.9km (8.0 miles) ⓘBrochterbeck quarry, Brochterbeck, Tecklenburg, Steinfurt, Münster, North Rhine-Westphalia, Germany
13.2km (8.2 miles) ⓘHector Mine, Westerkappeln, Steinfurt, Münster, North Rhine-Westphalia, Germany
15.8km (9.8 miles) ⓘWaldhügel limestone quarry, Rheine, Steinfurt, Münster, North Rhine-Westphalia, Germany
17.8km (11.1 miles) ⓘKleeberg Quarry, Lengerich, Steinfurt, Münster, North Rhine-Westphalia, Germany
17.8km (11.1 miles) ⓘBreckweg limestone works, Neuenkirchen, Steinfurt, Münster, North Rhine-Westphalia, Germany
22.7km (14.1 miles) ⓘHohne Quarry (Dyckerhoff Quarry), Lengerich, Steinfurt, Münster, North Rhine-Westphalia, Germany
23.4km (14.5 miles) ⓘSilberberg Quarry, Hagen am Teutoburger Wald, Osnabrück District, Lower Saxony, Germany
24.6km (15.3 miles) ⓘSilberberg Mine, Hasbergen, Osnabrück District, Lower Saxony, Germany
24.8km (15.4 miles) ⓘWettringen limestone works, Wettringen, Steinfurt, Münster, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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