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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Fluorite from
Portaway Mine (Portway Mine), Peak Forest, High Peak, Derbyshire, England, UK


Locality type:Mine
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Portaway Mine (Portway Mine), Peak Forest, High Peak, Derbyshire, England, UK
Data Identifiers
Mindat Occurrence Record ID:791982
Long-form Identifier:1:3:791982:4
GUID (UUID V4):0
Nearest other occurrences of Fluorite
0.2km (0.1 miles) ⓘPortaway Pit (Portway Pit; Gravel pit; Old Wham vein), Castleton, High Peak, Derbyshire, England, UK
0.6km (0.3 miles) ⓘNorth Grain Head Mine, Peak Forest, High Peak, Derbyshire, England, UK
0.6km (0.4 miles) ⓘSlitherstone Mine, Peak Forest, High Peak, Derbyshire, England, UK
1.3km (0.8 miles) ⓘOxlow End Mine, Oxlow Rake, Peak Forest, High Peak, Derbyshire, England, UK
1.4km (0.9 miles) ⓘEldon Hill Quarry, Peak Forest, High Peak, Derbyshire, England, UK
1.7km (1.0 miles) ⓘBradwell Moor, Bradwell, Derbyshire Dales District, Derbyshire, England, UK
1.7km (1.1 miles) ⓘLaporte Minerals openpit, Dirtlow Rake, Castleton, High Peak, Derbyshire, England, UK
1.9km (1.2 miles) ⓘOld Tor Mine, Castleton, High Peak, Derbyshire, England, UK
1.9km (1.2 miles) ⓘSlate Scrin Mine, Castleton, High Peak, Derbyshire, England, UK
2.0km (1.2 miles) ⓘCowlow Nick, Castleton, High Peak, Derbyshire, England, UK
References
Stevenson, I.P. and Gaunt, G.D. (1971): Geology of the Country around Chapel-en-le-Frith. HMSO Publications (London), 444 pp.
 
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