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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Columbite-(Mn) from
Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


06982570017272729428118.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
00797880017369059308966.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
02589220017838837756332.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
06982570017272729428118.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
05116310017374543407088.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
08548680017839641306941.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
06982570017272729428118.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
00797880017369059308966.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
02589220017838837756332.jpg
Columbite-(Mn)

Rožná Hradisko, Rožná pegmatite, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Locality type:Pegmatite
Classification
Species:Columbite-(Mn)
Formula:Mn2+Nb2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Columbite-(Mn) data
Locality Data:Click here to view Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:24519
Long-form Identifier:1:3:24519:9
GUID (UUID V4):0
Localities for Columbite-(Mn) in this Region
Rožná Borovina, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Rožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Nearest other occurrences of Columbite-(Mn)
0.0km (0.0 miles) ⓘRožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
0.2km (0.1 miles) ⓘRožná Borovina, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
37.6km (23.4 miles) ⓘKožichovice II pegmatite, Kožichovice, Třebíč District, Vysočina Region, Czech Republic
43.2km (26.8 miles) ⓘPuklice pegmatites, Puklice, Jihlava District, Vysočina Region, Czech Republic
43.6km (27.1 miles) ⓘGranite quarry, Pohled, Havlíčkův Brod District, Vysočina Region, Czech Republic
55.2km (34.3 miles) ⓘSedlatice granitic pegmatite, Sedlatice, Jihlava District, Vysočina Region, Czech Republic
85.0km (52.8 miles) ⓘHengl quarry, Eibenstein an der Thaya, Raabs an der Thaya, Waidhofen an der Thaya District, Lower Austria, Austria
86.6km (53.8 miles) ⓘRasovna (Schinderhübl), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
87.3km (54.3 miles) ⓘStřelecký důl (Scheibengraben), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
88.1km (54.8 miles) ⓘLysá hora (Kahlhübel), Maršíkov (Marchendorf), Velké Losiny, Šumperk District, Olomouc Region, Czech Republic
References
Novák, M., Houzar, S., Pfeiferová, A.: Př
ehled mineralogie, petrografie a historie klasické lokality lepidolitového pegmatitu v Rožné u Bystř
ice nad Pernštejnem, západní Morava. Acta Musei Moraviae, Sci. geol., 83:3-48.
Novák, M., Černý, P. (2001) Distinctive compositional trends in columbite-tantalite from two segments of the lepidolite pegmatite at Rožná Western Moravia, Czech Republic. Journal of the Czech Geological Society, 46 (1-2) 1-8
 
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