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Biotite from
Spider Lake, Vilas County, Wisconsin, USA


Locality type:Lake
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 Spider Lake, Vilas County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:243156
Long-form Identifier:1:3:243156:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.5km (9.0 miles) ⓘPowell kyanite Deposit (Manitowish Range Kyanite Occurrence), Iron County, Wisconsin, USA
49.7km (30.9 miles) ⓘBrush Lake, Gogebic County, Michigan, USA
53.1km (33.0 miles) ⓘWatersmeet dome, Gogebic County, Michigan, USA
68.8km (42.8 miles) ⓘUnnamed pegmatite, Mellen, Ashland County, Wisconsin, USA
68.8km (42.8 miles) ⓘLoon Lake quarries, Ashland County, Wisconsin, USA
71.5km (44.4 miles) ⓘPenokee Gap, Bad River, Ashland County, Wisconsin, USA
77.1km (47.9 miles) ⓘEcho Lake Intrusion, Ontonagon County, Michigan, USA
77.9km (48.4 miles) ⓘMineral Lake lookout tower, Ashland County, Wisconsin, USA
78.3km (48.6 miles) ⓘRitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USA
90.0km (55.9 miles) ⓘGrandfather Dam, Lincoln County, Wisconsin, USA
References
Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
 
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