Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Magnetite from
Mattawan Mine (O'Brien-Fowler), Mattawan Township, Nipissing District, Ontario, Canada


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Mattawan Mine (O'Brien-Fowler), Mattawan Township, Nipissing District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:813286
Long-form Identifier:1:3:813286:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
11.8km (7.3 miles) ⓘHayes property (Eau Claire), Calvin Township, Nipissing District, Ontario, Canada
12.6km (7.8 miles) ⓘMcMeekin Amazonite occurrence, Cameron Township, Nipissing District, Ontario, Canada
18.2km (11.3 miles) ⓘLegendre Mine (Mcdonough property), Olrig Township, Nipissing District, Ontario, Canada
37.5km (23.3 miles) ⓘMuskwa Lake mine (Brent), Deacon Township, Nipissing District, Ontario, Canada
47.8km (29.7 miles) ⓘCallander Bay alkaline complex, North Bay area, Nipissing District, Ontario, Canada
53.3km (33.1 miles) ⓘComet Quartz, Laurier Township, Parry Sound District, Ontario, Canada
60.7km (37.7 miles) ⓘRankin Ore Zone, Rankin Island, Manitou Island Complex, Nipissing District, Ontario, Canada
61.5km (38.2 miles) ⓘNova Beaucage Mine, Newman Island, Manitou Island Complex, Nipissing District, Ontario, Canada
61.6km (38.3 miles) ⓘBig Manitou Island Ore Zone, Great Manitou Island, Manitou Island Complex, Nipissing District, Ontario, Canada
65.1km (40.4 miles) ⓘSheehan beryl occurrence, Butt Township, Nipissing District, Ontario, Canada
References
Goad, B.E. (1990) Granitic pegmatites of the Bancroft area, southeastern Ontario/ Ontario Geological Survey, Open File Report 5717, 459p.
 
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