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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Pyrrhotite from
Kelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA


Locality type:Prospect
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Kelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:126187
Long-form Identifier:1:3:126187:5
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
2.5km (1.6 miles) ⓘDividend-Lakeview Mine, Osoyoos, Osoyoos Mining Division, British Columbia, Canada
5.2km (3.2 miles) ⓘMoncosilgo Prospect, Oroville Mining District, Okanogan County, Washington, USA
16.0km (9.9 miles) ⓘPeerless Prospect, Nighthawk Mining District, Okanogan County, Washington, USA
17.5km (10.9 miles) ⓘCopper World Extension Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA
17.6km (10.9 miles) ⓘCopper World Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA
23.1km (14.4 miles) ⓘGypo Mine, Osoyoos Mining Division, British Columbia, Canada
24.0km (14.9 miles) ⓘMorning Star Mine, Fairview Camp, Oliver, Osoyoos Mining Division, British Columbia, Canada
24.9km (15.5 miles) ⓘStemwinder Mine, Fairview Camp, Oliver, Osoyoos Mining Division, British Columbia, Canada
25.9km (16.1 miles) ⓘFairview Mine, Fairview Camp, Oliver, Osoyoos Mining Division, British Columbia, Canada
26.3km (16.4 miles) ⓘSusie Mine, Burnell Lake, Oliver, Osoyoos Mining Division, British Columbia, Canada
References
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
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
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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