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
Erzgebirge II Mine, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Erzgebirge II Mine, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:298808
Long-form Identifier:1:3:298808:5
GUID (UUID V4):0
Nearest other occurrences of Dolomite
4.6km (2.9 miles) ⓘAnna quarry, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
5.2km (3.3 miles) ⓘGenna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
7.1km (4.4 miles) ⓘWeber quarry, Griesenbrauck, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
7.2km (4.5 miles) ⓘHohenlimburg quarry, Oege, Hohenlimburg, Hagen, Arnsberg, North Rhine-Westphalia, Germany
10.1km (6.3 miles) ⓘBecke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
11.3km (7.0 miles) ⓘDonnerkuhle quarry, Hagen, Arnsberg, North Rhine-Westphalia, Germany
13.3km (8.3 miles) ⓘAsbeck quarry (Hönne valley quarry), Eisborn, Balve, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
16.4km (10.2 miles) ⓘCalcite quarry, Holzen, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
18.8km (11.7 miles) ⓘHermann Mine, Hüttebrüchen, Allendorf, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
20.0km (12.4 miles) ⓘAllendorf quarry, Allendorf, Sundern, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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