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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Pyrrhotite from
Bramcrag Quarry, St John's in the Vale, Threlkeld, Eden, Cumbria, England, UK


Locality type:Quarry
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Bramcrag Quarry, St John's in the Vale, Threlkeld, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:17372
Long-form Identifier:1:3:17372:2
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
0.8km (0.5 miles) ⓘWanthwaite Mine, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
5.3km (3.3 miles) ⓘArmboth Dyke, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
8.3km (5.2 miles) ⓘCopper Plate Mine, Borrowdale, Allerdale, Cumbria, England, UK
9.7km (6.1 miles) ⓘGoldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
10.5km (6.5 miles) ⓘCastle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
10.7km (6.6 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
10.8km (6.7 miles) ⓘGrains Gill, Mungrisdale, Eden, Cumbria, England, UK
10.9km (6.8 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
11.0km (6.8 miles) ⓘSmith vein, Carrock Mine, Mungrisdale, Eden, Cumbria, England, UK
11.4km (7.1 miles) ⓘScar Crags, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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