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Biotite from
Hornkull silver mines (Hornkullen), Kroppa, Persberg ore district, Filipstad, Värmland County, Sweden


Locality type:Mine
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 Hornkull silver mines (Hornkullen), Kroppa, Persberg ore district, Filipstad, Värmland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:76031
Long-form Identifier:1:3:76031:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.6km (4.7 miles) ⓘÅskagen Quarry, Persberg ore district, Filipstad, Värmland County, Sweden
8.4km (5.2 miles) ⓘKoberg Zinc Mine, Gåsgruvan ore field, Persberg ore district, Filipstad, Värmland County, Sweden
8.9km (5.5 miles) ⓘGåsgruvan Quarry, Persberg ore district, Filipstad, Värmland County, Sweden
11.3km (7.0 miles) ⓘKanka mine, Sundsjön, Filipstad, Värmland County, Sweden
14.6km (9.1 miles) ⓘStora Pajsberg Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden
14.7km (9.1 miles) ⓘHarstigen Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden
15.5km (9.6 miles) ⓘUpper Leptitehalleflinta group, Hällefors, Örebro County, Sweden
18.6km (11.6 miles) ⓘSjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
21.5km (13.3 miles) ⓘJakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
22.1km (13.7 miles) ⓘThe Pole dump, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
References
Gatedal, Kjell (n.d.) Personal Communication.
 
and/or  
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