Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Biotite from
Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:939347
Long-form Identifier:1:3:939347:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.5km (0.9 miles) ⓘDolní Rožínk pegmatite, Dolní Rožínka, Žďár nad Sázavou District, Vysočina Region, Czech Republic
1.5km (0.9 miles) ⓘRožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
1.5km (1.0 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
1.7km (1.0 miles) ⓘRožná Borovina, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
5.4km (3.4 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
8.0km (5.0 miles) ⓘFluorite locality, Nedvědice, Brno-Country District, South Moravian Region, Czech Republic
8.4km (5.2 miles) ⓘDrahonín uranium mine, Drahonín, Brno-Country District, South Moravian Region, Czech Republic
14.7km (9.1 miles) ⓘCyrilov phosphate pegmatite (Cyrillhof), Cyrilov (Cyrillhof), Horní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic
16.4km (10.2 miles) ⓘStudnice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
20.5km (12.7 miles) ⓘKřoví Quarry, Křoví, Žďár nad Sázavou District, Vysočina Region, Czech Republic
References
Kříbek, Bohdan, Žák, Karel, Dobeš, Petr, Leichmann, Jaromír, Pudilová, Marta, René, Miloš, Scharm, Bohdan, Scharmová, Marta, Hájek, Antonín, Holeczy, Daniel, Hein, Ulrich F., Lehmann, Bernd (2009) The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization. Mineralium Deposita, 44 (1) 99-128 doi:10.1007/s00126-008-0188-0
Kříbek, Bohdan, Knésl, Ilja, Dobeš, Petr, Veselovský, František, Pořádek, Přemysl, Škoda, Radek, Čopjaková, Renata, Leichmann, Jaromír, Košek, Filip (2022) The Origin of Synchysite-(Ce) and Sources of Rare Earth Elements in the Rožná Uranium Deposit, Czech Republic. Minerals, 12 (6) 690 doi:10.3390/min12060690
 
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