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Biotite from
Nephton Quarry (Craig Pit; American Nepheline Co. Mine), Methuen Township, Peterborough Co., Ontario, Canada

Locality type:Quarry
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:Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Nephton Quarry (Craig Pit; American Nepheline Co. Mine), Methuen Township, Peterborough Co., Ontario, Canada
Nearest other occurrences of Biotite
7.1km (4.4 miles) Blue Mountain Quarry (Unimin Quarry), Methuen Township, Peterborough Co., Ontario, Canada
31.2km (19.4 miles) Cavendish Uranium Mine, Cavendish Township, Peterborough Co., Ontario, Canada
31.8km (19.8 miles) Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada
34.3km (21.3 miles) Coe Hill Gold occurrences, Wollaston Township, Hastings Co., Ontario, Canada
36.8km (22.9 miles) Dyno Mine, Cardiff Township, Haliburton Co., Ontario, Canada
38.6km (24.0 miles) Aumacho River occurrence, Cardiff Township, Haliburton Co., Ontario, Canada
38.9km (24.2 miles) Brough Lake molybdenite occurrence, Cardiff Township, Haliburton Co., Ontario, Canada
40.8km (25.3 miles) Gill Quarries, Glamorgan Township, Haliburton Co., Ontario, Canada
41.1km (25.5 miles) Rare Earth Mine No. 1, Monmouth Township, Haliburton Co., Ontario, Canada
41.2km (25.6 miles) Fraser Quarry, Glamorgan Township, Haliburton Co., Ontario, Canada
 
Mineral and/or Locality  
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