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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Muscovite from
Bannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Bannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16995
Long-form Identifier:1:3:16995:0
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.5km (2.2 miles) ⓘThrelkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK
3.7km (2.3 miles) ⓘGrains Gill, Mungrisdale, Eden, Cumbria, England, UK
3.8km (2.4 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
4.6km (2.9 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
4.7km (2.9 miles) ⓘBrundholme Mine (Glenderaterra Mine; Blencathra Mine), Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
6.0km (3.7 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
6.1km (3.8 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
6.2km (3.8 miles) ⓘRoughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
6.5km (4.1 miles) ⓘOld Sandbed Mine, Caldbeck, Allerdale, Cumbria, England, UK
7.3km (4.5 miles) ⓘOld Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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