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
Old Cottingham Mine (Cottingham No. 1), New Diggings area mines, Lafayette County, Wisconsin, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Old Cottingham Mine (Cottingham No. 1), New Diggings area mines, Lafayette County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:506372
Long-form Identifier:1:3:506372:7
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.4km (0.2 miles) ⓘLittle Minnie Mine, New Diggings area mines, Lafayette County, Wisconsin, USA
0.5km (0.3 miles) ⓘNew Cottingham Mine (Cottingham No. 2 Mine), New Diggings area mines, Lafayette County, Wisconsin, USA
0.6km (0.3 miles) ⓘNew Hoskins Mine, New Diggings area mines, Lafayette County, Wisconsin, USA
0.7km (0.4 miles) ⓘHoskins-Fields Mine (Hoskins; Fields; North Hoskins; East Hoskins), New Diggings area mines, Lafayette County, Wisconsin, USA
0.8km (0.5 miles) ⓘEmpress Mine, New Diggings area mines, Lafayette County, Wisconsin, USA
0.9km (0.6 miles) ⓘThe Hoskins-Field Mine, New Diggings area mines, Lafayette County, Wisconsin, USA
1.1km (0.7 miles) ⓘHelena-Roachdale Mine, Shullsburg area, Lafayette County, Wisconsin, USA
1.1km (0.7 miles) ⓘWeiskircher Mine, Shullsburg area, Lafayette County, Wisconsin, USA
1.1km (0.7 miles) ⓘB.A.T. Mine, New Diggings area mines, Lafayette County, Wisconsin, USA
1.4km (0.9 miles) ⓘIowa Mine (Imperial; Hoover), Shullsburg area, Lafayette County, Wisconsin, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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