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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Pyrite from
New Brancepeth Colliery (Sleetburn Colliery), Deerness Valley, Brandon and Byshottles, County Durham, England, UK


Locality type:Colliery
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view New Brancepeth Colliery (Sleetburn Colliery), Deerness Valley, Brandon and Byshottles, County Durham, England, UK
Data Identifiers
Mindat Occurrence Record ID:894982
Long-form Identifier:1:3:894982:0
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.7km (1.7 miles) ⓘEsh Colliery, Deerness Valley, Brandon and Byshottles, County Durham, England, UK
10.0km (6.2 miles) ⓘSouth Moor Colliery, Stanley, County Durham, England, UK
13.8km (8.6 miles) ⓘRaisby Quarries (Raisby Hill Quarry), Kelloe, County Durham, England, UK
17.6km (11.0 miles) ⓘOld Towns Quarry, Heighington, Darlington, England, UK
21.7km (13.5 miles) ⓘDiana Maria Mine, Rogerley Quarry, Stanhope, County Durham, England, UK
23.5km (14.6 miles) ⓘCornish Hush Mine, Stanhope, County Durham, England, UK
24.3km (15.1 miles) ⓘGreenfoot Quarry, Stanhope, County Durham, England, UK
27.3km (17.0 miles) ⓘRising Sun Colliery, North Tyneside, Tyne & Wear, England, UK
27.5km (17.1 miles) ⓘManorgill Mine, Middleton-in-Teesdale, County Durham, England, UK
27.7km (17.2 miles) ⓘEastgate Quarry, Eastgate, Stanhope, County Durham, England, UK
References
Spencer, L. J. (1910) On the occurrence of Alstonite and Ullmannite (a species new to Britain) in a Barytes-Witherite vein at the New Brancepeth Colliery near Durham. Mineralogical Magazine and Journal of the Mineralogical Society, 15 (71) 302-311 doi:10.1180/minmag.1910.015.71.07
 
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