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
Hohe Hecke Quarry, Kallstadt, Birkenau, Bergstraße, Darmstadt, Hesse, Germany


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Hohe Hecke Quarry, Kallstadt, Birkenau, Bergstraße, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:249451
Long-form Identifier:1:3:249451:7
GUID (UUID V4):0
Nearest other occurrences of Calcite
1.9km (1.2 miles) ⓘWachenberg Quarry, Weinheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
3.8km (2.4 miles) ⓘBrehmsmühle, Mörlenbach, Bergstraße, Darmstadt, Hesse, Germany
4.9km (3.0 miles) ⓘ“Viadukt” quarry, Mackenheim, Abtsteinach, Bergstraße, Darmstadt, Hesse, Germany
5.1km (3.1 miles) ⓘAmphibolite quarry, Mackenheim, Abtsteinach, Bergstraße, Darmstadt, Hesse, Germany
5.1km (3.2 miles) ⓘTalberg, Heiligkreuz, Weinheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
5.7km (3.5 miles) ⓘHülfe Gottes Mine, Großsachsen, Hirschberg an der Bergstraße, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
6.2km (3.8 miles) ⓘUrsenbach Mine, Ursenbach, Schriesheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
6.2km (3.9 miles) ⓘGärtnerskopf quarry, Ober-Mengelbach, Wald-Michelbach, Bergstraße, Darmstadt, Hesse, Germany
7.2km (4.5 miles) ⓘHohe Waid, Schriesheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
8.5km (5.3 miles) ⓘDiorite outcrop, Weites Tal, Schriesheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
References
E. Nickel, M. Fettel: "Odenwald", Sammlung geologischer Führer Bd. 65, 2nd ed., Bornträger (Berlin, Stuttgart), 1985
 
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