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
Eclipse Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Eclipse Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:144337
Long-form Identifier:1:3:144337:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.0km (0.0 miles) ⓘCopper Independent Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
1.0km (0.6 miles) ⓘCleveland Claim, Silverton, Silverton Mining District, Snohomish County, Washington, USA
1.0km (0.6 miles) ⓘNew York Prospect, Silverton Mining District, Snohomish County, Washington, USA
1.1km (0.7 miles) ⓘCopperhead Claim, Silverton Mining District, Snohomish County, Washington, USA
1.2km (0.7 miles) ⓘCopperhead Prospect, Silverton Mining District, Snohomish County, Washington, USA
1.3km (0.8 miles) ⓘImperial Mine, Silverton, Silverton Mining District, Snohomish County, Washington, USA
1.4km (0.9 miles) ⓘLucky Strike Claim, Silverton Mining District, Snohomish County, Washington, USA
1.5km (0.9 miles) ⓘHoodoo Mine, Silverton Mining District, Snohomish County, Washington, USA
1.5km (0.9 miles) ⓘNemo Prospect, Deer Creek, Silverton Mining District, Snohomish County, Washington, USA
1.7km (1.0 miles) ⓘBell and Crown Claim, Silverton Mining District, Snohomish County, Washington, USA
References
Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources
 
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