Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Magnetite from
Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA


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 Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:502455
Long-form Identifier:1:3:502455:1
GUID (UUID V4):0
Localities for Magnetite in this Region
Wearne mine, Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
Nearest other occurrences of Magnetite
0.2km (0.1 miles) ⓘWearne mine, Portsmouth Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
0.7km (0.4 miles) ⓘArmour No. 1 and No. 2 mines, Cuyuna North Range, Crow Wing County, Minnesota, USA
1.0km (0.6 miles) ⓘMeacham Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
1.1km (0.7 miles) ⓘMattson Rectangle Mine (Mangan No. 2 Mine), Cuyuna North Range, Crow Wing County, Minnesota, USA
1.2km (0.7 miles) ⓘCroft mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
1.2km (0.8 miles) ⓘIronton mine (Cuyuna-Duluth Mine), Cuyuna North Range, Crow Wing County, Minnesota, USA
1.2km (0.8 miles) ⓘMattson Rectangle Mine (Armour No.1 Mine), Cuyuna North Range, Crow Wing County, Minnesota, USA
1.3km (0.8 miles) ⓘMahnomen No. 1 mine, Ironton, Cuyuna North Range, Crow Wing County, Minnesota, USA
1.3km (0.8 miles) ⓘSultana-Hopkins mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
1.4km (0.9 miles) ⓘPennington Mine, Cuyuna North Range, Crow Wing County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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