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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Marcasite from
Mawstone mine, Youlgreave, Derbyshire Dales District, Derbyshire, England, UK


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Mawstone mine, Youlgreave, Derbyshire Dales District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:628631
Long-form Identifier:1:3:628631:6
GUID (UUID V4):0
Nearest other occurrences of Marcasite
5.1km (3.1 miles) ⓘMillclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
5.9km (3.6 miles) ⓘTearsall Farm, Winster, Derbyshire Dales District, Derbyshire, England, UK
7.3km (4.5 miles) ⓘOxclose mine, Snitterton, South Darley, Derbyshire Dales District, Derbyshire, England, UK
8.9km (5.5 miles) ⓘHubberdale mines, Flagg, Derbyshire Dales District, Derbyshire, England, UK
9.1km (5.6 miles) ⓘGolconda Mine, Hopton, Derbyshire Dales District, Derbyshire, England, UK
10.1km (6.3 miles) ⓘWapping Mine, Matlock Bath, Derbyshire Dales District, Derbyshire, England, UK
10.2km (6.3 miles) ⓘMoor Jarnett Lane, Taddington, Derbyshire Dales District, Derbyshire, England, UK
10.3km (6.4 miles) ⓘDene Quarry, Cromford, Derbyshire Dales District, Derbyshire, England, UK
12.4km (7.7 miles) ⓘWaterbank Mine, Back of Ecton, Ecton, Wetton, Staffordshire Moorlands, Staffordshire, England, UK
12.5km (7.7 miles) ⓘEcton Mine (Deep Ecton Pipe), Ecton, Wetton, Staffordshire Moorlands, Staffordshire, England, UK
References
Ford, T., Sarjeant, A., Smith, M. (1993) The minerals of the Peak district of Derbyshire. UK Journal of Mines and Minerals 13, Rockbottom Publications. 16-55
 
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