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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Pyrite from
Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany


03564000017373869497454.jpg
Pyrite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
03564000017373869497454.jpg
Pyrite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
06544500017272048412861.jpg
Pyrite

Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Locality type:Colliery
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Anna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:85575
Long-form Identifier:1:3:85575:6
GUID (UUID V4):0
Nearest other occurrences of Pyrite
6.3km (3.9 miles) ⓘDomaniale mine, Kerkrade, Limburg, Netherlands
6.4km (4.0 miles) ⓘJulia mine, Eygelshoven, Kerkrade, Limburg, Netherlands
7.7km (4.8 miles) ⓘEmil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
7.9km (4.9 miles) ⓘLaura mine, Eygelshoven, Kerkrade, Limburg, Netherlands
8.8km (5.5 miles) ⓘWilhelmina mine, Kerkrade, Limburg, Netherlands
9.2km (5.7 miles) ⓘWillem-Sophia mine, Kerkrade, Limburg, Netherlands
9.3km (5.8 miles) ⓘHerrenberg Mine, Verlautenheide, Aachen, Cologne, North Rhine-Westphalia, Germany
12.6km (7.8 miles) ⓘMeyer Quarry, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
12.9km (8.0 miles) ⓘAlbert Mine, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
13.4km (8.4 miles) ⓘZufriedenheit Mine, Mausbach, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
References
Maas, H. H. (1977) Neuere Mineralienfunde im Aachener Steinkohlenrevier. Der Aufschluss, 28 (2) 69-73
 
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