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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Chalcopyrite from
Black Butte, Stillwater County, Montana, USA


Locality type:Table/Butte
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Black Butte, Stillwater County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:656849
Long-form Identifier:1:3:656849:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.7km (1.1 miles) ⓘChrome Lake Ni-Cu occurrence, Stillwater County, Montana, USA
2.0km (1.3 miles) ⓘLittle Rocky Creek Ni-Cu Occurrence (Rocky Group; Chrome Lake; Benbow), Stillwater County, Montana, USA
2.7km (1.7 miles) ⓘBenbow Ni-Cu occurrence, Stillwater County, Montana, USA
2.9km (1.8 miles) ⓘFishtail Creek Ni-Cu occurrence, Stillwater County, Montana, USA
4.6km (2.8 miles) ⓘNye Basin Ni-Cu East Occurrence, Stillwater County, Montana, USA
6.0km (3.7 miles) ⓘNye Basin Ni-Cu Lip Occurrence, Stillwater County, Montana, USA
8.0km (5.0 miles) ⓘStillwater Mine, Stillwater County, Montana, USA
9.3km (5.8 miles) ⓘMouat Ni-Cu Verdegris Creek prospect, Stillwater County, Montana, USA
9.5km (5.9 miles) ⓘMouat Ni-Cu South Occurrence (South Mouat Area), Stillwater County, Montana, USA
13.5km (8.4 miles) ⓘInitial Ni-Cu Occurrence, Sweet Grass County, Montana, USA
References
Volborth, A., Tarkian, M., Stumpfl, E.F., Housley, R.M. (1986) A survey of the Pd-Pt mineralization along the 35-km strike of the J-M Reef, Stillwater Complex, Montana. The Canadian Mineralogist, 24 (2). 329-346
 
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