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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Bavenite from
Ostředek (Mittelberg), Šumperk, Šumperk District, Olomouc Region, Czech Republic


Locality type:Quarry
Classification
Species:Bavenite
Formula:Ca4Be2Al2Si9O26(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bavenite data
Locality Data:Click here to view Ostředek (Mittelberg), Šumperk, Šumperk District, Olomouc Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:705105
Long-form Identifier:1:3:705105:0
GUID (UUID V4):0
Nearest other occurrences of Bavenite
7.3km (4.5 miles) ⓘOplustilberg, Petrov nad Desnou, Šumperk District, Olomouc Region, Czech Republic
9.2km (5.7 miles) ⓘRasovna (Schinderhübl), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
10.1km (6.3 miles) ⓘStřelecký důl (Scheibengraben), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
78.9km (49.1 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
80.3km (49.9 miles) ⓘDSS Piława Górna Quarry, Piława Górna, Dzierżoniów County, Lower Silesian Voivodeship, Poland
80.4km (49.9 miles) ⓘJulianna pegmatite, DSS Piława Górna Quarry, Piława Górna, Dzierżoniów County, Lower Silesian Voivodeship, Poland
References
Procházka, J. (1969): Autunit, Bertrandit A Bismutit Z Pegmatitu Od Šumperka. Acta Musei Moraviae, Sci. nat., 54, 31-44. (in Czech with Germany summary)
 
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