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Biotite from
Michałkowa pegmatites, Gmina Świdnica, Świdnica County, Lower Silesian Voivodeship, Poland


Locality type:Pegmatite
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:Confirmed
Confirmation Methods:Visually Identified, SEM-EDS
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Michałkowa pegmatites, Gmina Świdnica, Świdnica County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:829415
Long-form Identifier:1:3:829415:9
GUID (UUID V4):0
Localities for Biotite in this Region
Góry Sowie Block, Michałkowa pegmatites, Gmina Świdnica, Świdnica County, Lower Silesian Voivodeship, Poland
Nearest other occurrences of Biotite
3.2km (2.0 miles) ⓘMount Babi Kamień, Walim, Gmina Walim, Wałbrzych County, Lower Silesian Voivodeship, Poland
7.3km (4.6 miles) ⓘGabe Gottes mine, Dziećmorowice, Gmina Walim, Wałbrzych County, Lower Silesian Voivodeship, Poland
11.4km (7.1 miles) ⓘMount Gomólnik Mały, Grzmiąca, Gmina Głuszyca, Wałbrzych County, Lower Silesian Voivodeship, Poland
14.2km (8.8 miles) ⓘGogołów granite quarry, Gogołów, Gmina Świdnica, Świdnica County, Lower Silesian Voivodeship, Poland
15.2km (9.5 miles) ⓘWirki granite quarry, Wirki, Gmina Marcinowice, Świdnica County, Lower Silesian Voivodeship, Poland
16.0km (9.9 miles) ⓘOwiecznik melaphyre quarry, Boguszów-Gorce, Wałbrzych County, Lower Silesian Voivodeship, Poland
16.7km (10.4 miles) ⓘWierzbna granite quarry, Wierzbna, Gmina Żarów, Świdnica County, Lower Silesian Voivodeship, Poland
19.7km (12.3 miles) ⓘUnnamed gneiss quarry, Dobrocin, Gmina Dzierżoniów, Dzierżoniów County, Lower Silesian Voivodeship, Poland
20.3km (12.6 miles) ⓘGołaszyce granite quarry, Gmina Marcinowice, Świdnica County, Lower Silesian Voivodeship, Poland
20.8km (12.9 miles) ⓘGola Świdnicka granite quarry, Gola Świdnicka, Gmina Marcinowice, Świdnica County, Lower Silesian Voivodeship, Poland
References
Eligiusz Szełęg collection
Grochowina, A., Gołębiowska, B., & Pieczka, A. (2012). Graftonite-sarcopside intergrowths in phosphate nodulas from pegmatite at Michałkowa, Sowie Mountains Block, SW Poland. Geology, Geophysics and Environment, 38(4), 477-478.
 
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