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
Republic Mine, Republic Mining District, Ferry 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 Republic Mine, Republic Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:384177
Long-form Identifier:1:3:384177:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
2.5km (1.5 miles) ⓘQuilp Mine, Republic Mining District, Ferry County, Washington, USA
3.9km (2.4 miles) ⓘGolden Promise (Republic Unit), Republic Mining District, Ferry County, Washington, USA
4.1km (2.6 miles) ⓘKnob Hill Mine, Republic Mining District, Ferry County, Washington, USA
12.6km (7.8 miles) ⓘCalifornia Mine, Republic Mining District, Ferry County, Washington, USA
14.7km (9.1 miles) ⓘOverlook Mine, Belcher Mining District, Ferry County, Washington, USA
14.9km (9.2 miles) ⓘAmerican Flag Mine, Wauconda Mining District, Okanogan County, Washington, USA
15.2km (9.4 miles) ⓘSilver Bell Mine, Wauconda Mining District, Okanogan County, Washington, USA
15.2km (9.5 miles) ⓘZalla M Mine, Ferry County, Washington, USA
15.7km (9.8 miles) ⓘOversight Mine, Belcher Mining District, Ferry County, Washington, USA
16.1km (10.0 miles) ⓘKey East Mine, Belcher Mining District, Ferry County, Washington, USA
References
Geology and Ore Deposits of Republic Mining District, J.B. Umpleby, 1910
Simon, Grigore, Kesler, Stephen E., Essene, Eric J. (1997) Phase relations among selenides, tellurides, and oxides; II, Applications to selenide-bearing ore deposits. Economic Geology, 92 (4) 468-484 doi:10.2113/gsecongeo.92.4.468
 
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