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
Eddyville area coal strip mines, Wapello County, Iowa, 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 Eddyville area coal strip mines, Wapello County, Iowa, USA
Data Identifiers
Mindat Occurrence Record ID:210574
Long-form Identifier:1:3:210574:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
8.2km (5.1 miles) ⓘSwanson mine, Knoxville, Marion County, Iowa, USA
13.9km (8.6 miles) ⓘStar Coal Company strip mine, Mahaska County, Iowa, USA
14.8km (9.2 miles) ⓘMich mine, Oskaloosa, Mahaska County, Iowa, USA
23.0km (14.3 miles) ⓘLovilia area, Monroe County, Iowa, USA
32.8km (20.4 miles) ⓘCalcite locality, Pella, Marion County, Iowa, USA
33.2km (20.6 miles) ⓘPershing area, Marion County, Iowa, USA
33.5km (20.8 miles) ⓘJude coal mine, Bussey area, Marion County, Iowa, USA
40.2km (25.0 miles) ⓘLimestone quarry, Poweshiek County, Iowa, USA
41.8km (26.0 miles) ⓘKaser Quarry, Ollie, Keokuk County, Iowa, USA
46.8km (29.1 miles) ⓘKeswick quarry, Keswick, Keokuk County, Iowa, USA
References
Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
 
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