Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Chalcopyrite from
Peerless Prospect, Nighthawk Mining District, Okanogan County, Washington, USA


Locality type:Prospect
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Peerless Prospect, Nighthawk Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:310482
Long-form Identifier:1:3:310482:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.7km (1.1 miles) ⓘFour Metals Mine, Nighthawk Mining District, Okanogan County, Washington, USA
2.0km (1.3 miles) ⓘRuby Mine, Nighthawk Mining District, Okanogan County, Washington, USA
2.2km (1.4 miles) ⓘCalifornia Claim, Nighthawk Mining District, Okanogan County, Washington, USA
2.6km (1.6 miles) ⓘChopaka Silver Claim, Nighthawk Mining District, Okanogan County, Washington, USA
2.6km (1.6 miles) ⓘLittle Chopaka Group, Nighthawk Mining District, Okanogan County, Washington, USA
2.6km (1.6 miles) ⓘKaaba Mine, Nighthawk Mining District, Okanogan County, Washington, USA
3.7km (2.3 miles) ⓘKing Solomon Mine, Nighthawk Mining District, Okanogan County, Washington, USA
4.1km (2.5 miles) ⓘGolden Zone Mine, Nighthawk Mining District, Okanogan County, Washington, USA
4.3km (2.7 miles) ⓘPrize Mine, Nighthawk Mining District, Okanogan County, Washington, USA
5.1km (3.2 miles) ⓘTenderfoot Claims, Palmer Mountain Mining District, Okanogan County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
 
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