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
Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Polydymite14
Bismuthinite10
Chalcopyrite6
Galena4
Millerite4
Dolomite4
Covellite3
Pyrite1
Sphalerite1
Native Gold1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:92510
Long-form Identifier:1:3:92510:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.9km (0.6 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
1.2km (0.7 miles) ⓘRamberg mine, Niederdreisbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
1.6km (1.0 miles) ⓘKäusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
2.2km (1.3 miles) ⓘNeue Hoffnung Mine, Niederdreisbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
3.3km (2.0 miles) ⓘFüsseberg Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
3.5km (2.2 miles) ⓘFriedrich-Wilhelm Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
3.6km (2.3 miles) ⓘHollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
4.5km (2.8 miles) ⓘSan Fernando Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
5.3km (3.3 miles) ⓘAlte Malscheid Mine, Malscheid (Mahlscheid; Mahlscheiderkopf; Mahlscheider Kopf), Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
5.3km (3.3 miles) ⓘWolf Mine, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
Schnorrer, Günther; Latsch, Hermann (1997) Die Minerale der Grube Grüneau bei Schutzbach im Siegerland (Teil I) [The minerals of the Grüneau mine near Schutzbach in Siegerland (Part I)]. Lapis, 22 (12). 18-28; 33-36
 
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