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
Pershing area, Marion County, Iowa, USA


06912210017375476669266.jpg
Calcite

Pershing area, Marion County, Iowa, USA
06912210017375476669266.jpg
Calcite

Pershing area, Marion County, Iowa, USA
02935600017272073339345.jpg
Calcite

Pershing area, Marion County, Iowa, USA
Locality type:Area
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Pershing area, Marion County, Iowa, USA
Data Identifiers
Mindat Occurrence Record ID:210489
Long-form Identifier:1:3:210489:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
9.2km (5.7 miles) ⓘJude coal mine, Bussey area, Marion County, Iowa, USA
13.9km (8.6 miles) ⓘCalcite locality, Pella, Marion County, Iowa, USA
16.5km (10.2 miles) ⓘLovilia area, Monroe County, Iowa, USA
18.5km (11.5 miles) ⓘMich mine, Oskaloosa, Mahaska County, Iowa, USA
19.4km (12.0 miles) ⓘStar Coal Company strip mine, Mahaska County, Iowa, USA
27.2km (16.9 miles) ⓘSwanson mine, Knoxville, Marion County, Iowa, USA
33.2km (20.6 miles) ⓘEddyville area coal strip mines, Wapello County, Iowa, USA
40.2km (25.0 miles) ⓘLimestone quarry, Poweshiek County, Iowa, USA
66.8km (41.5 miles) ⓘKeswick quarry, Keswick, Keokuk County, Iowa, USA
72.9km (45.3 miles) ⓘKaser Quarry, Ollie, 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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