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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Gypsum from
Coalcleugh Mine, Coalcleugh, West Allen, Northumberland, England, UK


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
Fluorite2
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Coalcleugh Mine, Coalcleugh, West Allen, Northumberland, England, UK
Data Identifiers
Mindat Occurrence Record ID:280304
Long-form Identifier:1:3:280304:3
GUID (UUID V4):0
Nearest other occurrences of Gypsum
2.5km (1.5 miles) ⓘSmallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
2.5km (1.6 miles) ⓘBrownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor, Eden, Cumbria, England, UK
2.6km (1.6 miles) ⓘCaplecleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
3.6km (2.2 miles) ⓘNentsberry Haggs Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
5.0km (3.1 miles) ⓘDirt Pot Lead Smelt Mill slag locality, Allendale, Northumberland, England, UK
7.1km (4.4 miles) ⓘTynebottom Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK
19.1km (11.9 miles) ⓘWest Pasture Mine, Stanhope, County Durham, England, UK
20.0km (12.4 miles) ⓘBollihope lead smelter slag locality, Stanhope, County Durham, England, UK
21.7km (13.5 miles) ⓘDiana Maria Mine, Rogerley Quarry, Stanhope, County Durham, England, UK
23.5km (14.6 miles) ⓘBollihope Smelt Mill slag locality, Stanhope, County Durham, England, UK
References
 
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