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
Billy Jack Prospect, Bridge Creek, Stehekin Mining District, Chelan 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 Billy Jack Prospect, Bridge Creek, Stehekin Mining District, Chelan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:248452
Long-form Identifier:1:3:248452:5
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
2.3km (1.4 miles) ⓘLogan Prospect, Stehekin Mining District, Chelan County, Washington, USA
7.9km (4.9 miles) ⓘBlack Warrior Mine, Horseshoe Basin, Stehekin Mining District, Chelan County, Washington, USA
11.8km (7.3 miles) ⓘNorway, Stehekin Mining District, Chelan County, Washington, USA
20.3km (12.6 miles) ⓘGold Hill Mine, Slate Creek Mining District, Whatcom County, Washington, USA
22.5km (14.0 miles) ⓘAzurite Mine, Slate Creek Mining District, Whatcom County, Washington, USA
24.0km (14.9 miles) ⓘMid Range Mine, Twisp Mining District, Okanogan County, Washington, USA
25.7km (16.0 miles) ⓘWolverine Prospect, Twisp Mining District, Okanogan County, Washington, USA
30.6km (19.0 miles) ⓘMary Green Mine, Railroad Creek Mining District, Chelan County, Washington, USA
32.2km (20.0 miles) ⓘNew Light Mine, Slate Creek Mining District, Whatcom County, Washington, USA
32.2km (20.0 miles) ⓘIbex, Railroad Creek Mining District, Chelan County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1956) Part I - Nonmetallic minerals, in Inventory of Washington Minerals. Bulletin 37, Washington Geological Survey.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
 
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