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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Apophyllite Group from
Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:'Apophyllite Group' (not an IMA approved species)
Formula:AB4[Si8O20]X · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Apophyllite Group data
Locality Data:Click here to view Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:76507
Long-form Identifier:1:3:76507:3
GUID (UUID V4):0
Nearest other occurrences of Apophyllite Group
11.8km (7.4 miles) ⓘFeuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
16.4km (10.2 miles) ⓘArensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
17.1km (10.6 miles) ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
37.8km (23.5 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
40.5km (25.1 miles) ⓘSchellkopf, Brenk, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
55.9km (34.8 miles) ⓘDungberg (Dungkopf), Unkelbach, Remagen, Ahrweiler, Rhineland-Palatinate, Germany
61.3km (38.1 miles) ⓘMinderberg quarry (Düstemich), Linz am Rhein, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
63.6km (39.5 miles) ⓘGierswiese (Gerstwiese), Bad Honnef, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
67.7km (42.1 miles) ⓘWeilberg (Großer Weilberg), Königswinter, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
71.8km (44.6 miles) ⓘLimberger Kopf, Rindhausen, Asbach, Asbach, Neuwied, Rhineland-Palatinate, Germany
References
Schüller, Wilhelm, Betz, Volker (1986) Die Mineralien vom Emmelberg. Lapis, 11 (12) 11-25
 
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