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


08979500017379106052610.jpg
Dolomite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
08979500017379106052610.jpg
Dolomite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
08412350017379106062320.jpg
Dolomite

Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Emil Mayrisch Mine, Freialdenhoven, Siersdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:85552
Long-form Identifier:1:3:85552:5
GUID (UUID V4):0
Nearest other occurrences of Dolomite
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 (9.8 miles) ⓘAlbert Mine, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany
16.9km (10.5 miles) ⓘZufriedenheit Mine, Mausbach, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
17.2km (10.7 miles) ⓘBSR Gravel works quarry, Gressenich, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
17.9km (11.1 miles) ⓘHendrik mine, Brunssum, Limburg, Netherlands
18.0km (11.2 miles) ⓘDiepenlinchen 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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