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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Calcite from
Holzappel Mine, Holzappel, Diez, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Holzappel Mine, Holzappel, Diez, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:174676
Long-form Identifier:1:3:174676:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.0km (1.9 miles) ⓘLeopoldine-Luise Mine, Weinähr, Bad Ems-Nassau, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
4.8km (3.0 miles) ⓘNeumühlberg quarry (Steinsberg quarry), Biebrich, Aar-Einrich, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
10.9km (6.8 miles) ⓘHibernia quarry, Katzenelnbogen, Aar-Einrich, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
12.1km (7.5 miles) ⓘZollhaus mine, Mudershausen, Aar-Einrich, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
12.3km (7.6 miles) ⓘMercur Mine, Bad Ems, Bad Ems-Nassau, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
12.6km (7.8 miles) ⓘSchäfer quarry, Hahnstätten, Aar-Einrich, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
13.5km (8.4 miles) ⓘRothenberg Mine (Seitersfeld), Oberneisen, Aar-Einrich, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
13.8km (8.6 miles) ⓘÖlberg quarry, Hundsangen, Wallmerod, Westerwaldkreis, Rhineland-Palatinate, Germany
15.8km (9.8 miles) ⓘFriedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
17.1km (10.6 miles) ⓘMühlenbach Mine, Arenberg, Koblenz, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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