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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Plagioclase from
Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, Belgium


04021090017364923181185.jpg
Albite, etc.

Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, Belgium
04021090017364923181185.jpg
Albite, etc.

Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, Belgium
08100560017271978743834.jpg
Albite, etc.

Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, Belgium
Locality type:Quarry
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:85113
Long-form Identifier:1:3:85113:0
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
57.2km (35.5 miles) ⓘGilzem meteorite, Gilzem, Südeifel, Bitburg-Prüm, Rhineland-Palatinate, Germany
78.2km (48.6 miles) ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
78.7km (48.9 miles) ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
79.6km (49.5 miles) ⓘDreiser Weiher, Dreis, Dreis-Brück, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
86.6km (53.8 miles) ⓘLahonry quarry, Couvin, Namur, Wallonia, Belgium
93.5km (58.1 miles) ⓘSelberg, Quiddelbach, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
References
Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique (2nd ed.) Muséum des Sciences Naturelles, Bruxelles.
 
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