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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Andalusite from
Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK


02881940017365782081476.jpg
Chiastolite

Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
02881940017365782081476.jpg
Chiastolite

Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
05834490017272019416813.jpg
Chiastolite

Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
Locality type:Valley
Classification
Species:Andalusite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andalusite data
Locality Data:Click here to view Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:985286
Long-form Identifier:1:3:985286:0
GUID (UUID V4):0
Localities for Andalusite in this Region
Andalusite outcrop, Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
Nearest other occurrences of Andalusite
0.8km (0.5 miles) ⓘAndalusite outcrop, Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
3.3km (2.0 miles) ⓘBlackhazel Beck, Mungrisdale, Eden, Cumbria, England, UK
3.4km (2.1 miles) ⓘThrelkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK
3.7km (2.3 miles) ⓘSaddleback Old Mine, Mungrisdale, Eden, Cumbria, England, UK
3.9km (2.4 miles) ⓘSkiddaw, Underskiddaw, Allerdale, Cumbria, England, UK
4.0km (2.5 miles) ⓘGibraltar Crag, Bassenthwaite, Allerdale, Cumbria, England, UK
4.4km (2.7 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
16.4km (10.2 miles) ⓘDacre Castle, Dacre, Greystoke, Eden, Cumbria, England, UK
18.2km (11.3 miles) ⓘScale Force, Loweswater, Allerdale, Cumbria, England, UK
20.4km (12.6 miles) ⓘSharp Knott, Lamplugh, Copeland, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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