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Biotite from
Garnet Ledge (Alaska Garnet; Wrangell Garnet), Wrangell, Wrangell Island, Wrangel City and Bourough, Alaska, USA

Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:Van King
Associated Minerals Based on Photo Data:
Almandine1 photo of Biotite associated with Almandine at this locality.
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Garnet Ledge (Alaska Garnet; Wrangell Garnet), Wrangell, Wrangell Island, Wrangel City and Bourough, Alaska, USA
Nearest other occurrences of Biotite
77.6km (48.2 miles) Snip Mine, Iskut River, Liard Mining Division, British Columbia, Canada
77.9km (48.4 miles) Red Bluff prospect, Iskut River, Liard Mining Division, British Columbia, Canada
82.7km (51.4 miles) Galore Creek Cu-Au-Ag deposit, Galore Creek, Liard Mining Division, British Columbia, Canada
86.5km (53.7 miles) Copper Canyon prospect, Galore Creek, Liard Mining Division, British Columbia, Canada
 
Mineral and/or Locality  
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