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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Plagioclase from
Monkey East Camp Zone Occurrence (J-M Reef), Sweet Grass County, Montana, USA


Locality type:Occurrence
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Monkey East Camp Zone Occurrence (J-M Reef), Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:499530
Long-form Identifier:1:3:499530:2
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
1.2km (0.8 miles) ⓘIron Mountain Ni-Cu Iron Creek Occurrence, Sweet Grass County, Montana, USA
2.5km (1.6 miles) ⓘIron Mountain Ni-Cu Camp Occurrence, Sweet Grass County, Montana, USA
2.9km (1.8 miles) ⓘCrescent Peak Ni-Cu Occurrence, Sweet Grass County, Montana, USA
3.5km (2.2 miles) ⓘPicket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA
4.2km (2.6 miles) ⓘCrescent Creek Ni-Cu Occurrence, Sweet Grass County, Montana, USA
4.6km (2.8 miles) ⓘForge Ni-Cu Occurrence (Boulder Forge; Placer Basin), Sweet Grass County, Montana, USA
5.6km (3.5 miles) ⓘStillwater Mine (Johns-Manville Stillwater Platinum; Stillwater PGM Resources; Stillwater Platinum Project; M Prospect), Sweet Grass County, Montana, USA
6.1km (3.8 miles) ⓘChrome Mountain Ni-Cu Occurrence, Sweet Grass County, Montana, USA
6.5km (4.0 miles) ⓘWest Fork East Adit Occurrence (J-M Reef), Sweet Grass County, Montana, USA
7.2km (4.5 miles) ⓘBluebird Ni-Cu Occurrence (Cathedral Creek), Sweet Grass County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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