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
Meekers Grove Mine (Uniset Mine), Meeker's Grove area mines, Lafayette County, Wisconsin, 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 Meekers Grove Mine (Uniset Mine), Meeker's Grove area mines, Lafayette County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:924809
Long-form Identifier:1:3:924809:0
GUID (UUID V4):0
Nearest other occurrences of Marcasite
0.9km (0.5 miles) ⓘConnecting Link No. 1 Mine, Cuba City area, Lafayette County, Wisconsin, USA
1.0km (0.6 miles) ⓘRaisbeck Mine (Raisbeck-Craig Mine), Cuba City area, Lafayette County, Wisconsin, USA
1.0km (0.6 miles) ⓘTrego-Anthony Mine, Cuba City area, Lafayette County, Wisconsin, USA
1.1km (0.7 miles) ⓘConnecting Link No. 2 Mine, Cuba City area, Lafayette County, Wisconsin, USA
1.2km (0.7 miles) ⓘGritty Six Mine, Cuba City area, Lafayette County, Wisconsin, USA
1.2km (0.8 miles) ⓘMeeker's Grove area mines, Lafayette County, Wisconsin, USA
1.4km (0.8 miles) ⓘDall Mine (Cook prospect), Cuba City area, Lafayette County, Wisconsin, USA
1.6km (1.0 miles) ⓘLiberty Mine, Meeker's Grove area mines, Lafayette County, Wisconsin, USA
1.6km (1.0 miles) ⓘBig Dick Mine, Meeker's Grove area mines, Lafayette County, Wisconsin, USA
1.9km (1.2 miles) ⓘLittle Elm Mine, Cuba City area, Lafayette County, Wisconsin, USA
References
Heyl, Allen V., Agnew, Allen F., Lyons, Erwin J., Behre, Charles H., Flint, Arthur E. (1959) The Geology of the Upper Mississippi Valley Zinc-Lead District. Professional Paper 309. US Geological Survey doi:10.3133/pp309 p.234
 
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