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
Haile Moor Mine, Haile, Copeland, Cumbria, England, UK


Locality type:Mine
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 Haile Moor Mine, Haile, Copeland, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15778
Long-form Identifier:1:3:15778:8
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
9.9km (6.2 miles) ⓘSandwith Mine, Whitehaven, Copeland, Cumbria, England, UK
20.4km (12.7 miles) ⓘForce Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
31.2km (19.4 miles) ⓘFalcon Crag, Patterdale, Eden, Cumbria, England, UK
31.2km (19.4 miles) ⓘEycott Hill, Patterdale, Eden, Cumbria, England, UK
36.1km (22.4 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
36.6km (22.7 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
38.3km (23.8 miles) ⓘShort Grain, Deer Hills, Caldbeck, Allerdale, Cumbria, England, UK
39.1km (24.3 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
45.4km (28.2 miles) ⓘAirds Point, Auchencairn, Dumfries and Galloway, Scotland, UK
45.9km (28.5 miles) ⓘRascarrel Bay, Auchencairn, Dumfries and Galloway, Scotland, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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