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
Iron Mountain-Chrome Group W (Chrome Group), Sweet Grass County, Montana, USA


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 Iron Mountain-Chrome Group W (Chrome Group), Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:498611
Long-form Identifier:1:3:498611:9
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
1.2km (0.8 miles) ⓘMonkey East Camp Zone Occurrence (J-M Reef), Sweet Grass County, Montana, USA
4.6km (2.9 miles) ⓘPicket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA
6.5km (4.0 miles) ⓘStillwater Mine (Johns-Manville Stillwater Platinum; Stillwater PGM Resources; Stillwater Platinum Project; M Prospect), Sweet Grass County, Montana, USA
6.5km (4.0 miles) ⓘWest Fork East Adit Occurrence (J-M Reef), Sweet Grass County, Montana, USA
8.6km (5.3 miles) ⓘFrog Pond West Occurrence (J-M Reef), Sweet Grass County, Montana, USA
11.5km (7.2 miles) ⓘEast Boulder Mine, Sweet Grass County, Montana, USA
14.0km (8.7 miles) ⓘStillwater Mine, Stillwater County, Montana, USA
18.5km (11.5 miles) ⓘNye Basin Big Seven Occurrence, Stillwater County, Montana, USA
19.7km (12.2 miles) ⓘBenbow Mine, Stillwater County, Montana, USA
61.2km (38.0 miles) ⓘFour Chromes prospect (Four Chromes claims), Red Lodge, Carbon County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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