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
Kromona Mine, Sultan Mining District, Snohomish County, Washington, USA


Locality type:Mine
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 Kromona Mine, Sultan Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:142011
Long-form Identifier:1:3:142011:1
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
3.1km (1.9 miles) ⓘMountain Cedar Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
7.9km (4.9 miles) ⓘMarvel, Silver Creek Mining District, Snohomish County, Washington, USA
8.8km (5.5 miles) ⓘCalumet Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
9.7km (6.0 miles) ⓘFlorence Rae Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
9.9km (6.2 miles) ⓘIowa Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
10.1km (6.2 miles) ⓘSultan King Mine, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
10.6km (6.6 miles) ⓘLockwood Pyrite Prospect, Sultan Mining District, Snohomish County, Washington, USA
11.3km (7.0 miles) ⓘKelley Creek Prospect, Monte Cristo Mining District, Snohomish County, Washington, USA
11.4km (7.1 miles) ⓘSilver Creek Mine, Silver Creek Mining District, Snohomish County, Washington, USA
12.0km (7.4 miles) ⓘAla-Dickson Claim, Williamson Creek, Sultan Mining District, Snohomish County, Washington, USA
References
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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