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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Amphibole Supergroup from
Lyngsberg (Lühnsberg; Lünsberg), Bad Godesberg, Bonn, Cologne, North Rhine-Westphalia, Germany


Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Lyngsberg (Lühnsberg; Lünsberg), Bad Godesberg, Bonn, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:665482
Long-form Identifier:1:3:665482:5
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
10.0km (6.2 miles) ⓘScheidsberg (Scheidsburg; Scheidskopf), Kirchdaun, Bad Neuenahr-Ahrweiler, Ahrweiler, Rhineland-Palatinate, Germany
26.7km (16.6 miles) ⓘHüttenberg sand pit, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
29.4km (18.3 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
29.5km (18.3 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
30.1km (18.7 miles) ⓘAlte Burg quarry, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
31.5km (19.6 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
31.6km (19.7 miles) ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
35.2km (21.9 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
36.1km (22.4 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
37.7km (23.4 miles) ⓘWannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Brauns, Reinhard (1922) Die Mineralien der Niederrheinischen Vulkangebiete - Mit besonderer Berücksichtigung ihrer Bildung und Umbildung. E. Schweizerbart'sche Verlagsbuchhandlung.
 
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