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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Feldspar Group from
Erpeler Ley (Leyberg), Erpel, Unkel, Neuwied, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Erpeler Ley (Leyberg), Erpel, Unkel, Neuwied, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:665371
Long-form Identifier:1:3:665371:2
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
17.6km (10.9 miles) ⓘSchellkopf, Brenk, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
26.6km (16.5 miles) ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
52.8km (32.8 miles) ⓘRingseitert, Kirchweiler, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
69.6km (43.2 miles) ⓘSimmern meteorite, Simmern, Simmern-Rheinböllen, Rhein-Hunsrück-Kreis, Rhineland-Palatinate, Germany
83.4km (51.8 miles) ⓘBitburg meteorite, Albacher Mühle, Bitburg, Bitburg-Prüm, Rhineland-Palatinate, Germany
84.1km (52.3 miles) ⓘSchauss quarries, Bévercé, Malmedy, Liège, Wallonia, Belgium
90.0km (55.9 miles) ⓘBottenhorn, Bad Endbach, Marburg-Biedenkopf, Giessen Region, Hesse, Germany
90.5km (56.2 miles) ⓘGenna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
98.2km (61.0 miles) ⓘAn der Rossel Quarry, Odernheim am Glan, Nahe-Glan, Bad Kreuznach, Rhineland-Palatinate, Germany
References
Humboldt, A. von (1790): Bemerkungen über einige Basalte am Rhein, Braunschweig
 
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