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
Schirmeck tunnel, Schirmeck, Molsheim, Bas-Rhin, Grand Est, France


Locality type:Tunnel
Classification
Species:Calcite
Formula:CaCO3
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Schirmeck tunnel, Schirmeck, Molsheim, Bas-Rhin, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:417494
Long-form Identifier:1:3:417494:3
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.5km (3.4 miles) ⓘNoire Mine, Grandfontaine, Molsheim, Bas-Rhin, Grand Est, France
5.6km (3.5 miles) ⓘLa Chapelle Mine, Grandfontaine, Molsheim, Bas-Rhin, Grand Est, France
5.7km (3.6 miles) ⓘGrandfontaine-les-Minières Mine, Grandfontaine, Molsheim, Bas-Rhin, Grand Est, France
14.8km (9.2 miles) ⓘSaint-Nabor quarries, Saint-Nabor, Molsheim, Bas-Rhin, Grand Est, France
16.5km (10.3 miles) ⓘDonner Mine, Urbeis, Sélestat-Erstein, Bas-Rhin, Grand Est, France
18.3km (11.3 miles) ⓘLubine mines, Lubine, Saint-Dié-des-Vosges, Vosges, Grand Est, France
24.7km (15.3 miles) ⓘMaurice Lemaire tunnel, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
25.3km (15.7 miles) ⓘL'Homme Mort mine, Altenberg, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
25.4km (15.8 miles) ⓘSainte Anne mine, Altenberg, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
25.7km (16.0 miles) ⓘToussaint Mine, Lorrain Side, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
References
Alain Steinmetz and Thierry Brunsperger Collection
 
and/or  
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