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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Pyrite from
Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Old Millclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:17256
Long-form Identifier:1:3:17256:5
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘMillclose Mine, South Darley, Derbyshire Dales District, Derbyshire, England, UK
1.7km (1.1 miles) ⓘTearsall Farm, Winster, Derbyshire Dales District, Derbyshire, England, UK
3.2km (2.0 miles) ⓘJug Holes, Matlock, Derbyshire Dales District, Derbyshire, England, UK
3.5km (2.2 miles) ⓘDimple Mine, Matlock, Derbyshire Dales District, Derbyshire, England, UK
3.7km (2.3 miles) ⓘRaithe Mine (Rath Rake), Elton, Derbyshire Dales District, Derbyshire, England, UK
4.3km (2.7 miles) ⓘNutseats quarry, Pickory Corner, Nether Haddon, Derbyshire Dales District, Derbyshire, England, UK
4.4km (2.7 miles) ⓘMasson Hill and mines, Matlock, Derbyshire Dales District, Derbyshire, England, UK
5.3km (3.3 miles) ⓘRiber mine, Matlock, Derbyshire Dales District, Derbyshire, England, UK
5.3km (3.3 miles) ⓘRaper Mine, Nether Haddon, Derbyshire Dales District, Derbyshire, England, UK
5.4km (3.4 miles) ⓘBall Eye Quarry, Bonsall, Derbyshire Dales District, Derbyshire, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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