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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Boulangerite from
Bautenberg Mine, Wilden, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Boulangerite
Formula:Pb5Sb4S11
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Boulangerite data
Locality Data:Click here to view Bautenberg Mine, Wilden, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:100552
Long-form Identifier:1:3:100552:3
GUID (UUID V4):0
Nearest other occurrences of Boulangerite
3.7km (2.3 miles) ⓘPrinz Friedrich mine, Obersdorf, Wilnsdorf, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
4.7km (2.9 miles) ⓘBrüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
12.8km (7.9 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
13.1km (8.1 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
18.6km (11.5 miles) ⓘFriedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
20.6km (12.8 miles) ⓘWildermann Mine, Ferndorf, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
21.4km (13.3 miles) ⓘStahlberg Mine (Schwabengrube), Müsen, Hilchenbach, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
26.3km (16.3 miles) ⓘGlanzenberg Mine, Silberg, Kirchhundem, Olpe, Arnsberg, North Rhine-Westphalia, Germany
26.7km (16.6 miles) ⓘPetersbach Mine, Eichelhardt, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
39.7km (24.7 miles) ⓘReichensteinerberg Mine, Puderbach, Puderbach, Neuwied, Rhineland-Palatinate, Germany
References
Blaß, Günter, Graf, Hans W. (1999) Neue Mineralienfunde aus der Eifel und dem Siegerland. Mineralien-Welt, 10 (3). 23-30
 
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