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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Chalcopyrite from
Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany


08557160017372599522288.jpg
Chalcopyrite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
08557160017372599522288.jpg
Chalcopyrite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
02216250017272048064177.jpg
Chalcopyrite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:85553
Long-form Identifier:1:3:85553:4
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
7.7km (4.8 miles) ⓘAnna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
13.3km (8.3 miles) ⓘLaura mine, Eygelshoven, Kerkrade, Limburg, Netherlands
13.4km (8.4 miles) ⓘDomaniale mine, Kerkrade, Limburg, Netherlands
14.8km (9.2 miles) ⓘSophia-Jacoba Mine, Hückelhoven, Heinsberg, Cologne, North Rhine-Westphalia, Germany
15.6km (9.7 miles) ⓘMeyer Quarry, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
15.7km (9.7 miles) ⓘBirkengang zinc smelter slag locality, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
15.7km (9.8 miles) ⓘAlbert Mine, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
15.8km (9.8 miles) ⓘOranje-Nassau-II mine, Schaesberg, Landgraaf, Limburg, Netherlands
16.2km (10.0 miles) ⓘWillem-Sophia mine, Kerkrade, Limburg, Netherlands
16.5km (10.3 miles) ⓘEmma-Hendrik coal dump, Brunssum, Limburg, Netherlands
References
Maas, H. H. (1977) Neuere Mineralienfunde im Aachener Steinkohlenrevier. Der Aufschluss, 28 (2) 69-73
 
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