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Cordierite from
Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada

Locality type:Mine
Classification
Species:Cordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Confirmation
Validity:Believed Valid
References
References:ontariominerals.com; Contributions to Mineralogy and Petrology Volume 101, Number 3 / March, 1989 Pages 350-360; Can Mineral 1982 20: 549-553.; Franklin, J M, Schnieders, B R, Koopman, E R (1991) Mineral Deposits in the western Superior Province, Ontario (Field Trip 9) Geological Survey of Canada, Open File 2164; Economic Geology April 1986 v. 81 no. 2 p. 323-342
Associated Minerals Based on Photo Data:
Chalcopyrite1 photo of Cordierite associated with Chalcopyrite at this locality.
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada
Nearest other occurrences of Cordierite
1.0km (0.6 miles) A Manitouwadge area, Thunder Bay District, Ontario, Canada
52.0km (32.3 miles) B Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
117.2km (72.8 miles) C Winston Lake deposit, Pays Plat Lake Area, Thunder Bay District, Ontario, Canada
Mineral and/or Locality  
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