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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Mascagnite from
Willem-Sophia mine, Kerkrade, Limburg, Netherlands


Locality type:Colliery
Classification
Species:Mascagnite
Formula:(NH4)2SO4
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Mascagnite data
Locality Data:Click here to view Willem-Sophia mine, Kerkrade, Limburg, Netherlands
Data Identifiers
Mindat Occurrence Record ID:151997
Long-form Identifier:1:3:151997:6
GUID (UUID V4):0
Nearest other occurrences of Mascagnite
9.2km (5.7 miles) ⓘAnna mine, Alsdorf, Aachen, Cologne, North Rhine-Westphalia, Germany
38.2km (23.7 miles) ⓘBatterie coal dumps, Vottem, Herstal, Liège, Wallonia, Belgium
39.5km (24.6 miles) ⓘChartreuse coal dump, Liège, Liège, Wallonia, Belgium
43.5km (27.0 miles) ⓘPerron coal dumps, Sclessin, Liège, Liège, Wallonia, Belgium
87.0km (54.1 miles) ⓘAlstaden coal mine, Alstaden, Oberhausen, Düsseldorf, North Rhine-Westphalia, Germany
References
De Wit, F.C.A., Kruijen, F. (2003) En nu ben ik even naar de Willem-Sophia…. Gea: 36(2): 60–62 (in Dutch).
 
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