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
Goldscope Mine, Newlands Valley, Above Derwent, Allerdale, 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 Goldscope Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:985309
Long-form Identifier:1:3:985309:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.5km (0.9 miles) ⓘCastle Nook Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
1.6km (1.0 miles) ⓘYewthwaite Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘDale Head Mine, Newlands Valley, Above Derwent, Allerdale, Cumbria, England, UK
4.2km (2.6 miles) ⓘForce Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
6.1km (3.8 miles) ⓘWad Mine, Seathwaite, Borrowdale, Allerdale, Cumbria, England, UK
7.3km (4.5 miles) ⓘThornthwaite Mine, Thornthwaite, Above Derwent, Allerdale, Cumbria, England, UK
11.0km (6.8 miles) ⓘBrundholme Mine (Glenderaterra Mine; Blencathra Mine), Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
12.3km (7.6 miles) ⓘThrelkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK
13.6km (8.5 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
15.4km (9.6 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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