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
Republic Mine, Republic Mining District, Ferry County, Washington, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Republic Mine, Republic Mining District, Ferry County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:384113
Long-form Identifier:1:3:384113:6
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.6km (0.4 miles) ⓘPrincess Maude Mine, Republic Mining District, Ferry County, Washington, USA
2.4km (1.5 miles) ⓘMorning Glory Mine, Republic Mining District, Ferry County, Washington, USA
2.5km (1.5 miles) ⓘQuilp Mine, Republic Mining District, Ferry County, Washington, USA
2.5km (1.5 miles) ⓘEl Caliph Mine, Republic Mining District, Ferry County, Washington, USA
2.6km (1.6 miles) ⓘSurprise Mine, Republic Mining District, Ferry County, Washington, USA
3.0km (1.9 miles) ⓘLone Pine Mine, Republic Mining District, Ferry County, Washington, USA
3.1km (1.9 miles) ⓘLast Chance Mine, Republic Mining District, Ferry County, Washington, USA
3.3km (2.0 miles) ⓘInsurgent Mine, Republic Mining District, Ferry County, Washington, USA
3.5km (2.2 miles) ⓘBen Hur Mine, Republic Mining District, Ferry County, Washington, USA
3.9km (2.4 miles) ⓘGolden Promise (Republic Unit), Republic Mining District, Ferry County, Washington, USA
References
Geology and Ore Deposits of Republic Mining District, J.B. Umpleby, 1910
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
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
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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