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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Marcasite from
Bella May Mine, Metaline Mining District, Pend Oreille County, Washington, USA


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Bella May Mine, Metaline Mining District, Pend Oreille County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:129341
Long-form Identifier:1:3:129341:8
GUID (UUID V4):0
Nearest other occurrences of Marcasite
4.1km (2.5 miles) ⓘJosephine Mine, Metaline Mining District, Pend Oreille County, Washington, USA
4.6km (2.8 miles) ⓘGrandview Mine, Metaline Mining District, Pend Oreille County, Washington, USA
4.8km (3.0 miles) ⓘYellowhead Mine, Metaline Mining District, Pend Oreille County, Washington, USA
5.5km (3.4 miles) ⓘPend Oreille Mine, Metaline Mining District, Pend Oreille County, Washington, USA
10.3km (6.4 miles) ⓘMeade Prospect, Metaline Mining District, Pend Oreille County, Washington, USA
11.1km (6.9 miles) ⓘFlusey-Hoopala Prospect, Metaline Mining District, Pend Oreille County, Washington, USA
36.8km (22.9 miles) ⓘMayflower Mine, Rossland, Trail Creek Mining Division, British Columbia, Canada
37.1km (23.1 miles) ⓘBlue Bird Mine, Rossland, Trail Creek Mining Division, British Columbia, Canada
37.7km (23.4 miles) ⓘLily May Mine, Trail Creek Mining Division, British Columbia, Canada
39.0km (24.2 miles) ⓘCrown Point mine, Rossland, Trail Creek Mining Division, British Columbia, Canada
References
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
 
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