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
Brown Bear Mine, Cedar River Mining District, King County, Washington, USA


Locality type:Claim
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Brown Bear Mine, Cedar River Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:307759
Long-form Identifier:1:3:307759:7
GUID (UUID V4):0
Nearest other occurrences of Pyrite
1.8km (1.1 miles) ⓘScout Patrol Peak, Hansen Creek area, Snoqualmie Mining District, King County, Washington, USA
2.0km (1.2 miles) ⓘBear Creek Mine, Cedar River Mining District, King County, Washington, USA
4.3km (2.7 miles) ⓘHumpback Mountain, Hansen Creek area, Snoqualmie Mining District, King County, Washington, USA
6.2km (3.9 miles) ⓘSilver Peak, Snoqualmie Mining District, King County, Washington, USA
8.4km (5.2 miles) ⓘCarmack Mine, Snoqualmie Mining District, King County, Washington, USA
11.1km (6.9 miles) ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA
12.2km (7.6 miles) ⓘDenny Mountain, Snoqualmie Mining District, King County, Washington, USA
13.3km (8.3 miles) ⓘChair Peak Skarn, Snoqualmie Mining District, King County, Washington, USA
13.9km (8.7 miles) ⓘGuye Mine, Snoqualmie Mining District, King County, Washington, USA
14.6km (9.1 miles) ⓘHorseshoe Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King 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.p.56
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.35
 
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