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
Black Diamond Prospect (War Eagle Prospect), Cowles Mining District (Haystack Mining District; Boulder Mining District; Independence Mining District), Park County, Montana, USA


Locality type:Prospect
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 Black Diamond Prospect (War Eagle Prospect), Cowles Mining District (Haystack Mining District; Boulder Mining District; Independence Mining District), Park County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:496424
Long-form Identifier:1:3:496424:7
GUID (UUID V4):0
Nearest other occurrences of Magnetite
21.0km (13.0 miles) ⓘBoulder River Ni-Cu East Occurrence, Sweet Grass County, Montana, USA
21.3km (13.2 miles) ⓘForge Ni-Cu Occurrence (Boulder Forge; Placer Basin), Sweet Grass County, Montana, USA
21.4km (13.3 miles) ⓘChrome Mountain Ni-Cu Occurrence, Sweet Grass County, Montana, USA
21.5km (13.4 miles) ⓘIron Mountain Ni-Cu Camp Occurrence, Sweet Grass County, Montana, USA
22.8km (14.1 miles) ⓘFrog Pond West Occurrence (J-M Reef), Sweet Grass County, Montana, USA
23.0km (14.3 miles) ⓘCrescent Peak Ni-Cu Occurrence, Sweet Grass County, Montana, USA
23.0km (14.3 miles) ⓘBoulder River Ni-Cu Riverside Occurrence (Riverside Prospect), Sweet Grass County, Montana, USA
23.1km (14.4 miles) ⓘIron Mountain Ni-Cu Iron Creek Occurrence, Sweet Grass County, Montana, USA
23.4km (14.5 miles) ⓘCrescent Creek Ni-Cu Occurrence, Sweet Grass County, Montana, USA
23.7km (14.7 miles) ⓘJanet 50 Occurrence, Sweet Grass County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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