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
Boulder River Ni-Cu East Occurrence, Sweet Grass County, Montana, USA


Locality type:Occurrence
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Boulder River Ni-Cu East Occurrence, Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:496705
Long-form Identifier:1:3:496705:7
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
2.0km (1.2 miles) ⓘFrog Pond West Occurrence (J-M Reef), Sweet Grass County, Montana, USA
3.1km (1.9 miles) ⓘChrome Mountain Ni-Cu Occurrence, Sweet Grass County, Montana, USA
4.6km (2.8 miles) ⓘBoulder River Ni-Cu Riverside Occurrence (Riverside Prospect), Sweet Grass County, Montana, USA
4.8km (3.0 miles) ⓘForge Ni-Cu Occurrence (Boulder Forge; Placer Basin), Sweet Grass County, Montana, USA
5.7km (3.6 miles) ⓘStillwater Mine (Johns-Manville Stillwater Platinum; Stillwater PGM Resources; Stillwater Platinum Project; M Prospect), Sweet Grass County, Montana, USA
6.9km (4.3 miles) ⓘNicon Occurrence, Park County, Montana, USA
7.6km (4.7 miles) ⓘIron Mountain Ni-Cu Camp Occurrence, Sweet Grass County, Montana, USA
8.5km (5.3 miles) ⓘPicket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA
8.6km (5.3 miles) ⓘIron Mountain, Sweet Grass County, Montana, USA
9.0km (5.6 miles) ⓘJanet 50 Occurrence, Sweet Grass County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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