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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Calcite from
Beldon Mine, Blanchland, Northumberland, England, UK


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Beldon Mine, Blanchland, Northumberland, England, UK
Data Identifiers
Mindat Occurrence Record ID:231352
Long-form Identifier:1:3:231352:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
6.2km (3.9 miles) ⓘNorth Groverake Quarry, Rookhope, Stanhope, County Durham, England, UK
6.4km (4.0 miles) ⓘGroverake Mine, Rookhope, Stanhope, County Durham, England, UK
6.5km (4.0 miles) ⓘRedburn Mine, Rookhope, Stanhope, County Durham, England, UK
6.5km (4.1 miles) ⓘFrazer's Hush Mine, Rookhope, Stanhope, County Durham, England, UK
6.8km (4.3 miles) ⓘWolfcleugh Mine (Thorney Slitts), Rookhope, Stanhope, County Durham, England, UK
6.9km (4.3 miles) ⓘBoltsburn Mine, Rookhope, Stanhope, County Durham, England, UK
7.7km (4.8 miles) ⓘBurnhope Mine, Edmondbyers, County Durham, England, UK
7.7km (4.8 miles) ⓘSt Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
8.1km (5.0 miles) ⓘAllenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK
8.3km (5.1 miles) ⓘSipton Mine, Allendale, Northumberland, England, UK
References
Dunham, K.C. (1990) Geology of the Northern Pennine Orefield, Volume 1, Tyne to Stainmore. 2nd edition, British Geological Survey.pp.222-223
 
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