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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Pyrite from
Moncosilgo Prospect, Oroville Mining District, Okanogan County, Washington, USA


Locality type:Prospect
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Moncosilgo Prospect, Oroville Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:105877
Long-form Identifier:1:3:105877:2
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.6km (1.6 miles) ⓘOkanogan Free Gold Mine, Oroville Mining District, Okanogan County, Washington, USA
4.7km (2.9 miles) ⓘOhio Prospect, Oroville Mining District, Okanogan County, Washington, USA
5.1km (3.2 miles) ⓘOK Copper Mine, Oroville Mining District, Okanogan County, Washington, USA
5.2km (3.2 miles) ⓘKelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA
5.4km (3.4 miles) ⓘ49th Parallel Mine, Oroville Mining District, Okanogan County, Washington, USA
7.0km (4.4 miles) ⓘRich Bar Prospect, Oroville Mining District, Okanogan County, Washington, USA
7.6km (4.7 miles) ⓘDividend-Lakeview Mine, Osoyoos, Osoyoos Mining Division, British Columbia, Canada
8.5km (5.3 miles) ⓘOccident, Wannacut Lake Mining District, Okanogan County, Washington, USA
8.6km (5.4 miles) ⓘHorn Silver Mine, Nighthawk Mining District, Okanogan County, Washington, USA
8.8km (5.4 miles) ⓘTriune Mine, 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.
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.80
 
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