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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Selenite from
Mam Tor, Edale, High Peak, Derbyshire, England, UK


Locality type:Tor
Classification
Species:Gypsum var: Selenite
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Selenite data
Locality Data:Click here to view Mam Tor, Edale, High Peak, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:630267
Long-form Identifier:1:3:630267:2
GUID (UUID V4):0
Nearest other occurrences of Selenite
0.6km (0.4 miles) ⓘOdin Mine, Castleton, High Peak, Derbyshire, England, UK
11.6km (7.2 miles) ⓘGlebe Mine, Eyam, Derbyshire Dales District, Derbyshire, England, UK
25.4km (15.8 miles) ⓘEcton, Wetton, Staffordshire Moorlands, Staffordshire, England, UK
29.6km (18.4 miles) ⓘMasson Hill and mines, Matlock, Derbyshire Dales District, Derbyshire, England, UK
33.0km (20.5 miles) ⓘBage Mine, Wirksworth, Derbyshire Dales District, Derbyshire, England, UK
55.5km (34.5 miles) ⓘFauld Mine, Hanbury, East Staffordshire, Staffordshire, England, UK
59.6km (37.0 miles) ⓘChellaston Hill, Derby, England, UK
77.8km (48.3 miles) ⓘBardon Hill Quarry, Bardon, North West Leicestershire, Leicestershire, 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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