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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Calcite from
Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence County, Wisconsin, USA


Locality type:Pegmatite
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:544149
Long-form Identifier:1:3:544149:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
21.8km (13.6 miles) ⓘBradley Mine, Iron Mountain, Dickinson County, Michigan, USA
22.4km (13.9 miles) ⓘBlue Lake, Mastodon Township, Iron County, Michigan, USA
22.5km (14.0 miles) ⓘChapin Mine, Iron Mountain, Dickinson County, Michigan, USA
23.7km (14.7 miles) ⓘWalpole Mine, Dickinson County, Michigan, USA
24.2km (15.0 miles) ⓘPewabic Mine, Iron Mountain, Dickinson County, Michigan, USA
30.3km (18.8 miles) ⓘCamp 5 gravel pit, Mansfield Township, Iron County, Michigan, USA
30.8km (19.1 miles) ⓘChicagon mine, Bates Township, Iron County, Michigan, USA
31.1km (19.3 miles) ⓘBuck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
32.3km (20.1 miles) ⓘCannon Mine (Bengal-Tully Mine), Stambaugh, Iron River, Iron County, Michigan, USA
32.4km (20.1 miles) ⓘHiawatha Group, Stambaugh, Iron River, Iron County, Michigan, USA
References
Sirbescu, Mona-Liza C., Hartwick, Emily E., Student, James J. (2008) Rapid crystallization of the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry and conductive-cooling modeling. Contributions to Mineralogy and Petrology, 156 (3) 289-305 doi:10.1007/s00410-008-0286-0
 
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