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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Gypsum from
Wohlfahrt Mine, Rescheid, Hellenthal, Euskirchen, Cologne, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Wohlfahrt Mine, Rescheid, Hellenthal, Euskirchen, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:371592
Long-form Identifier:1:3:371592:5
GUID (UUID V4):0
Nearest other occurrences of Gypsum
2.2km (1.4 miles) ⓘSchwalenbach Mine, Kamberg, Hellenthal, Euskirchen, Cologne, North Rhine-Westphalia, Germany
14.7km (9.1 miles) ⓘCopper smelter slag locality, Kall, Euskirchen, Cologne, North Rhine-Westphalia, Germany
15.3km (9.5 miles) ⓘTanzberg Mine, Kall, Euskirchen, Cologne, North Rhine-Westphalia, Germany
23.4km (14.6 miles) ⓘBertha shaft, Neue Hoffnung Mine, Bleialf, Prüm, Bitburg-Prüm, Rhineland-Palatinate, Germany
23.4km (14.6 miles) ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
25.3km (15.7 miles) ⓘNeue Hoffnung Mine, Bleialf, Prüm, Bitburg-Prüm, Rhineland-Palatinate, Germany
27.9km (17.3 miles) ⓘDorothea Mine, Fuchshofen, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
29.1km (18.1 miles) ⓘFeuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
29.9km (18.6 miles) ⓘKalem, Birresborn, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
34.7km (21.6 miles) ⓘMaubacher Bleiberg, Hürtgenwald, Düren, Cologne, North Rhine-Westphalia, Germany
References
GeoMontanus: Die Mineralien von Rescheid
 
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