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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Chalcedony from
Hucklow Edge, Great Hucklow, Derbyshire Dales District, Derbyshire, England, UK


Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Hucklow Edge, Great Hucklow, Derbyshire Dales District, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:629281
Long-form Identifier:1:3:629281:2
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
4.2km (2.6 miles) ⓘBradwell Moor, Bradwell, Derbyshire Dales District, Derbyshire, England, UK
5.3km (3.3 miles) ⓘCavedale, Castleton, High Peak, Derbyshire, England, UK
7.0km (4.3 miles) ⓘLongstone Edge, Great Longstone, Derbyshire Dales District, Derbyshire, England, UK
8.8km (5.5 miles) ⓘAshford Black Marble mines, Ashford in the Water, Derbyshire Dales District, Derbyshire, England, UK
9.3km (5.8 miles) ⓘDirtlow Rake, Ashford in the Water, Derbyshire Dales District, Derbyshire, England, UK
9.4km (5.8 miles) ⓘHolme Bank Mine (Castle Hill Mine), Bakewell, Derbyshire Dales District, Derbyshire, England, UK
21.4km (13.3 miles) ⓘDale Mine, Warslow, Warslow and Elkstones, Staffordshire Moorlands, Staffordshire, England, UK
21.6km (13.4 miles) ⓘMatlock, Derbyshire Dales District, Derbyshire, England, UK
22.3km (13.8 miles) ⓘMasson Hill and mines, Matlock, Derbyshire Dales District, Derbyshire, England, UK
22.5km (14.0 miles) ⓘHigh Tor, Matlock, Derbyshire Dales District, Derbyshire, 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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