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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Serpentine Subgroup from
Picket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA


Locality type:Prospect
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Picket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1476602
Long-form Identifier:1:3:1476602:4
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
3.2km (2.0 miles) ⓘStillwater Mine (Johns-Manville Stillwater Platinum; Stillwater PGM Resources; Stillwater Platinum Project; M Prospect), Sweet Grass County, Montana, USA
3.5km (2.2 miles) ⓘMonkey East Camp Zone Occurrence (J-M Reef), Sweet Grass County, Montana, USA
4.6km (2.9 miles) ⓘIron Mountain-Chrome Group W (Chrome Group), Sweet Grass County, Montana, USA
6.9km (4.3 miles) ⓘFrog Pond West Occurrence (J-M Reef), Sweet Grass County, Montana, USA
7.2km (4.4 miles) ⓘEast Boulder Mine, Sweet Grass County, Montana, USA
8.5km (5.3 miles) ⓘWest Fork East Adit Occurrence (J-M Reef), Sweet Grass County, Montana, USA
15.3km (9.5 miles) ⓘStillwater Mine, Stillwater County, Montana, USA
20.0km (12.4 miles) ⓘNye Basin Big Seven Occurrence, Stillwater County, Montana, USA
21.3km (13.2 miles) ⓘBenbow Mine, Stillwater County, Montana, USA
63.8km (39.6 miles) ⓘFour Chromes prospect (Four Chromes claims), Red Lodge, Carbon County, Montana, USA
References
Corkery, J. T. (2002). Mineralogy petrography and geochemistry of the Picket Pin PGE deposit Stillwater Complex Montana. Master of Science thesis, University of Montana.
 
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