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
Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium


Locality type:Quarry
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 Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:78410
Long-form Identifier:1:3:78410:2
GUID (UUID V4):0
Nearest other occurrences of Gypsum
3.2km (2.0 miles) ⓘThier des Carrières, Cahay, Vielsalm, Luxembourg, Wallonia, Belgium
3.9km (2.4 miles) ⓘCoticule mines (east), Salmchâteau, Vielsalm, Luxembourg, Wallonia, Belgium
26.1km (16.2 miles) ⓘPréalle quarry, Heyd, Durbuy, Luxembourg, Wallonia, Belgium
27.1km (16.8 miles) ⓘLe Rocheux mine, Oneux, Theux, Liège, Wallonia, Belgium
27.2km (16.9 miles) ⓘAndrimont mine, Theux, Liège, Wallonia, Belgium
27.7km (17.2 miles) ⓘOneux, Theux, Liège, Wallonia, Belgium
27.7km (17.2 miles) ⓘNeue Hoffnung Mine, Bleialf, Prüm, Bitburg-Prüm, Rhineland-Palatinate, Germany
27.8km (17.3 miles) ⓘOneux mines, Oneux, Theux, Liège, Wallonia, Belgium
29.0km (18.0 miles) ⓘBertha shaft, Neue Hoffnung Mine, Bleialf, Prüm, Bitburg-Prüm, Rhineland-Palatinate, Germany
30.0km (18.6 miles) ⓘRailway cutting, Barvaux-sur-Ourthe, Durbuy, Luxembourg, Wallonia, Belgium
References
Lefèvre, P. (2001) La présence d'arsenic dans les filons à sulfures du Devillien de Hourt, Massif de Stavelot, Belgium. Mémoire de licence en sciences géologiques et minéralogiques, Université de Liège, année 2000-2001, 45 pages.
Dubois, A. (2007) Phénomènes karstiques dans les évaporites et concrétions de sel en Belgique et ailleurs. Bulletin des Chercheurs de la Wallonie, XLVI, 109-132.
 
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