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
Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK


09134290017374555025409.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
05651840017374555035192.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
09134290017374555025409.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
05651840017374555035192.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
09134290017374555025409.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
05651840017374555035192.jpg
Fluorite

Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
Locality type:Slag Locality
Classification
Species:Fluorite
Formula:CaF2
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Dirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
Data Identifiers
Mindat Occurrence Record ID:968183
Long-form Identifier:1:3:968183:5
GUID (UUID V4):0
Nearest other occurrences of Fluorite
1.4km (0.9 miles) ⓘAllenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK
2.3km (1.4 miles) ⓘSt Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
3.4km (2.1 miles) ⓘSipton Mine, Allendale, Northumberland, England, UK
3.8km (2.4 miles) ⓘGreencleugh Mine, Rookhope, Stanhope, County Durham, England, UK
4.1km (2.6 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
4.4km (2.7 miles) ⓘFrazer's Hush Mine, Rookhope, Stanhope, County Durham, England, UK
4.5km (2.8 miles) ⓘCowhorse Mine, Killhope Burn, Stanhope, County Durham, England, UK
4.6km (2.8 miles) ⓘBarneycraig Mine, Coalcleugh, West Allen, Northumberland, England, UK
4.7km (2.9 miles) ⓘScraithole Mine, Carrshield, West Allen, Northumberland, England, UK
5.0km (3.1 miles) ⓘGroverake Mine, Rookhope, Stanhope, County Durham, England, UK
References
Norman Wilson collection
 
and/or  
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