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
Mandale Rake, Over Haddon, Derbyshire Dales District, Derbyshire, England, UK


Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Mandale Rake, Over Haddon, Derbyshire Dales District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:792444
Long-form Identifier:1:3:792444:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.2km (2.0 miles) ⓘLong Rake, Middleton and Smerrill, Derbyshire Dales District, Derbyshire, England, UK
3.3km (2.0 miles) ⓘMagpie Mine, Ashford in the Water, Derbyshire Dales District, Derbyshire, England, UK
5.6km (3.5 miles) ⓘRaithe Mine (Rath Rake), Elton, Derbyshire Dales District, Derbyshire, England, UK
6.0km (3.7 miles) ⓘPutwell Hill Mine, Little Longstone, Derbyshire Dales District, Derbyshire, England, UK
6.6km (4.1 miles) ⓘMouldridge Mine, Brassington, Derbyshire Dales District, Derbyshire, England, UK
6.7km (4.2 miles) ⓘHartington Station Quarry, Hartington Town Quarter, Derbyshire Dales District, Derbyshire, England, UK
7.0km (4.3 miles) ⓘMoor Road Quarry, Longstone Edge, Great Longstone, Derbyshire Dales District, Derbyshire, England, UK
7.2km (4.4 miles) ⓘArthurton West Open Pit, Longstone Edge, Great Longstone, Derbyshire Dales District, Derbyshire, England, UK
7.3km (4.5 miles) ⓘWatersaw mine, Longstone Edge, Great Longstone, Derbyshire Dales District, Derbyshire, England, UK
7.3km (4.5 miles) ⓘOld Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
References
Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386
 
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