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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Quartz from
Röhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Röhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:165333
Long-form Identifier:1:3:165333:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.8km (1.1 miles) ⓘSteinmauer Quarry, Steinkopf, Erbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
2.5km (1.5 miles) ⓘGörzklinge, Kirschhausen, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
3.5km (2.2 miles) ⓘCopper mine, Balzenbach, Hemsbach, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
5.4km (3.4 miles) ⓘAorite quarry (Bitsch Quarry; Am Bannels), Erlenbach, Fürth, Bergstraße, Darmstadt, Hesse, Germany
6.1km (3.8 miles) ⓘSeidenbacher Eck, Seidenbach, Fürth, Bergstraße, Darmstadt, Hesse, Germany
6.5km (4.0 miles) ⓘHemgesberg, Nieder-Mumbach, Mörlenbach, Bergstraße, Darmstadt, Hesse, Germany
6.5km (4.0 miles) ⓘKrehberg, Seidenbuch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany
6.5km (4.1 miles) ⓘHummelscheid, Gronau, Bensheim, Bergstraße, Darmstadt, Hesse, Germany
8.9km (5.5 miles) ⓘGärtnerskopf quarry, Ober-Mengelbach, Wald-Michelbach, Bergstraße, Darmstadt, Hesse, Germany
9.0km (5.6 miles) ⓘPoint 14.0, Hohenstein, Reichenbach, Lautertal (Odenwald), Bergstraße, Darmstadt, Hesse, Germany
References
Nickel, E., and Fettel, M. (1985): Odenwald. Sammlung geologischer Führer Vol. 65, 2nd ed., Bornträger (Berlin, Stuttgart), 231 pp.
 
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