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Biotite from
Islets, Kupreanof Island, Petersburg Borough, Alaska, USA


Locality type:Islet
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 Islets, Kupreanof Island, Petersburg Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:575007
Long-form Identifier:1:3:575007:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
85.0km (52.8 miles) ⓘGarnet Ledge (Alaska Garnet; Wrangell Garnet), Wrangell City and Bourough, Alaska, USA
References
June 1997
v. 35
no. 3
p. 691-698
 
and/or  
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