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


Locality type:Quarry
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 Křoví Quarry, Křoví, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:903004
Long-form Identifier:1:3:903004:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
13.3km (8.2 miles) ⓘDrahonín uranium mine, Drahonín, Brno-Country District, South Moravian Region, Czech Republic
16.6km (10.3 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
18.3km (11.4 miles) ⓘFluorite locality, Nedvědice, Brno-Country District, South Moravian Region, Czech Republic
19.8km (12.3 miles) ⓘCyrilov phosphate pegmatite (Cyrillhof), Cyrilov (Cyrillhof), Horní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic
19.9km (12.4 miles) ⓘRožná Borovina, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
20.0km (12.5 miles) ⓘDolní Rožínk pegmatite, Dolní Rožínka, Žďár nad Sázavou District, Vysočina Region, Czech Republic
20.1km (12.5 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
20.2km (12.5 miles) ⓘRožná Hradisko, Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
20.5km (12.7 miles) ⓘRožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
26.4km (16.4 miles) ⓘMoravské Bránice vesuvianite occurrence (České Bránice vesuvianite occurrence; Mährisch Branitz vesuvianite occurrence; Böhmisch Branitz vesuvianite occurrence), Moravské Bránice (České Bránice; Mährisch Branitz; Böhmisch Branitz), Brno-Country District, South Moravian Region, Czech Republic
References
Bedáň M.: Kamenolom v Křoví u Velké Bíteše s nálezy alpské mineralizace. Minerál, 2009, roč. 17, č. 6, s. 504-513.
 
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