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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Dolomite from
Threlkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Threlkeld Mine, Threlkeld, Threlkeld, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15924
Long-form Identifier:1:3:15924:5
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.8km (1.1 miles) ⓘThrelkeld Quarry, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
6.9km (4.3 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
7.7km (4.8 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
8.0km (5.0 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
8.3km (5.2 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
8.6km (5.3 miles) ⓘClints Gill (Roughton South Vein), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
8.6km (5.3 miles) ⓘRoughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
9.1km (5.7 miles) ⓘRed Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
9.2km (5.7 miles) ⓘDriggith Mine, Caldbeck, Allerdale, Cumbria, England, UK
9.5km (5.9 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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