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
Iias Prospect, Cle Elum River, Cle Elum Mining District, Kittitas 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 Iias Prospect, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:309779
Long-form Identifier:1:3:309779:3
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
4.0km (2.5 miles) ⓘCle Elum Iron Prospect, Cle Elum Mining District, Kittitas County, Washington, USA
5.7km (3.6 miles) ⓘBlackhawk Prospect, Van Epps Pass, Leavenworth Mining District, Chelan County, Washington, USA
6.2km (3.8 miles) ⓘPickwick Mine, Van Epps Pass, Leavenworth Mining District, Chelan County, Washington, USA
18.7km (11.6 miles) ⓘMineral Creek Mine (Durrwachter Mine; Liberty Lode Mine), Mineral Creek, Kittitas County, Washington, USA
24.5km (15.3 miles) ⓘGold Creek, Gold Creek, Kittitas County, Washington, USA
25.4km (15.8 miles) ⓘHawk Zone, Middle fork of the Snoqualmie River, Miller River Mining District, King County, Washington, USA
25.8km (16.1 miles) ⓘThree Brothers Zone, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
26.6km (16.6 miles) ⓘClipper Prospects, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
26.9km (16.7 miles) ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
30.1km (18.7 miles) ⓘLittle Myrtle Lake Area, Miller River 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.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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