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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Arsenopyrite from
Rosenberg Mine, Braubach, Loreley, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Rosenberg Mine, Braubach, Loreley, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:782834
Long-form Identifier:1:3:782834:8
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
3.6km (2.3 miles) ⓘFriedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
8.9km (5.5 miles) ⓘNeuhoffnung Mine, Bad Ems, Bad Ems-Nassau, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
24.9km (15.5 miles) ⓘGlückauf Mine, Namedy, Andernach, Mayen-Koblenz, Rhineland-Palatinate, Germany
32.2km (20.0 miles) ⓘBirkenkopf quarry, Mensfelden, Hünfelden, Limburg-Weilburg, Giessen Region, Hesse, Germany
33.5km (20.8 miles) ⓘGeorg Mine, Willroth, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
40.1km (24.9 miles) ⓘSilberwiese mine, Oberlahr, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
55.9km (34.8 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
56.7km (35.2 miles) ⓘPius Mine, Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
56.8km (35.3 miles) ⓘFriedrich-Wilhelm Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
56.9km (35.3 miles) ⓘFüsseberg Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Schnorrer, Günther (1995) Mineralogische Neuheiten von bekannten deutschen Fundorten [Mineralogical novelties from well-known German deposits]. Lapis, 20 (12). 43-48; 62
 
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