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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Topaz from
Střelecký důl (Scheibengraben), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic


Locality type:Pegmatite
Classification
Species:Topaz
Formula:Al2(SiO4)(F,OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Topaz data
Locality Data:Click here to view Střelecký důl (Scheibengraben), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:467375
Long-form Identifier:1:3:467375:0
GUID (UUID V4):0
Nearest other occurrences of Topaz
77.3km (48.0 miles) ⓘBiały Kościół granite quarry I, Gmina Strzelin, Strzelin County, Lower Silesian Voivodeship, Poland
87.3km (54.3 miles) ⓘRožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
87.3km (54.3 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
87.4km (54.3 miles) ⓘRožná Borovina, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
98.5km (61.2 miles) ⓘMarcel mine heap, Radlin, Wodzisław County, Silesian Voivodeship, Poland
References
Novák, M.: Maršíkov - Scheibengraben. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 38-41.
Novák, Milan, Černý, Petr, Uher, Pavel (2003) Extreme variation and apparent reversal of Nb-Ta fractionation in columbite-group minerals from the Scheibengraben beryl-columbite granitic pegmatite, Marsikov, Czech Republic. European Journal of Mineralogy, 15 (3) 565-574 doi:10.1127/0935-1221/2003/0015-0565
 
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