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
Gibraltar Crag, Bassenthwaite, Allerdale, Cumbria, England, UK


Locality type:Crag
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 Gibraltar Crag, Bassenthwaite, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:985285
Long-form Identifier:1:3:985285:3
GUID (UUID V4):0
Nearest other occurrences of Andalusite
0.3km (0.2 miles) ⓘSkiddaw, Underskiddaw, Allerdale, Cumbria, England, UK
4.0km (2.5 miles) ⓘGlenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
4.6km (2.9 miles) ⓘAndalusite outcrop, Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
5.7km (3.5 miles) ⓘBlackhazel Beck, Mungrisdale, Eden, Cumbria, England, UK
7.3km (4.5 miles) ⓘSaddleback Old Mine, Mungrisdale, Eden, Cumbria, England, UK
7.4km (4.6 miles) ⓘThrelkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK
7.8km (4.8 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
16.6km (10.3 miles) ⓘScale Force, Loweswater, Allerdale, Cumbria, England, UK
17.8km (11.1 miles) ⓘSharp Knott, Lamplugh, Copeland, Cumbria, England, UK
20.3km (12.6 miles) ⓘDacre Castle, Dacre, Greystoke, Eden, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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