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
Friedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Bismuthinite11
Hauchecornite7
Millerite7
Native Gold2
Calcite2
Linnaeite1
Pyrite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Friedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:65621
Long-form Identifier:1:3:65621:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.4km (0.9 miles) ⓘEupel Mine (incl. Glücksstern Mine; Rasselskaute Mine), Niederhövels, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
2.2km (1.3 miles) ⓘWingertshardt Mine, Voßwinkel, Hövels, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
3.5km (2.2 miles) ⓘVereinigung Mine, Katzwinkel, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
6.4km (4.0 miles) ⓘBindweide Mine, Steinebach, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
7.1km (4.4 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
7.8km (4.8 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
8.3km (5.1 miles) ⓘKäusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany
8.8km (5.5 miles) ⓘRamberg mine, Niederdreisbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
9.0km (5.6 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
9.1km (5.6 miles) ⓘHollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Dana 6:1039
Dana 7:I:242,302
(1990) Lawrence H. Conklin Mineral List, in Twentieth Anniversary Issue. The Mineralogical Record, 21 (1) 102-105
 
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