| Analcime | |
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| Formula: | Na2(Al2Si4O12) · 2H2O |
| Localities: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK
Copthill Quarry, Copthill, Weardale, North Pennines, Co. Durham, England, UK
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| Anglesite | |
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| Formula: | PbSO4 |
| Localities: | Drypry Vein, Wolsingham, Weardale, North Pennines, Co. Durham, England, UK
Bollihope lead smelter (Bollihope Common; slag locality), Weardale, North Pennines, Co. Durham, England, UK
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| Ankerite |  |
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| Formula: | Ca(Fe2+,Mg)(CO3)2 |
| Localities: | Reported from at least 8 localities in this region. |
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| Photo: © Paul Nicholson. Ankerite from Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
| Apophyllite-(KF) | |
|---|
| Formula: | KCa4(Si8O20)(F,OH) · 8H2O |
| Locality: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Apophyllite-(KOH) | |
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| Formula: | KCa4(Si8O20)(OH,F) · 8H2O |
| Locality: | Copthill Quarry, Copthill, Weardale, North Pennines, Co. Durham, England, UK |
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| Aragonite |  |
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| Formula: | CaCO3 |
| Localities: | Reported from at least 11 localities in this region. |
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| Photo: © TVM. Aragonite from Broadwood Quarry, Frosterley, Weardale, North Pennines, Co. Durham, England, UK |
| Argentopentlandite | |
|---|
| Formula: | Ag(Fe,Ni)8S8 |
| Locality: | Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Azurite |  |
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| Formula: | Cu3(CO3)2(OH)2 |
| Localities: | Westernhope Old Mine, Eastgate, Weardale, North Pennines, Co. Durham, England, UK
Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK
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| Photo: © andy thompson. Azurite from Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK |
| Baryte | |
|---|
| Formula: | BaSO4 |
| Localities: | Knitsley Fell Veins, Wolsingham, Weardale, North Pennines, Co. Durham, England, UK
West Rigg Quarry, Westgate, Weardale, North Pennines, Co. Durham, England, UK
Langtae Head Mine (Longty Head Mine), Ireshope Moor, Weardale, North Pennines, Co. Durham, England, UK
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| Bismuthinite | |
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| Formula: | Bi2S3 |
| Localities: | Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK
Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
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| Calcite |  |
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| Formula: | CaCO3 |
| Localities: | Reported from at least 25 localities in this region. |
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| Photo: © Jesse Fisher, 2001. Calcite from Cambokeels Mine, Westgate, Weardale, North Pennines, Co. Durham, England, UK |
| Cassiterite | |
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| Formula: | SnO2 |
| Locality: | Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Cerussite |  |
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| Formula: | PbCO3 |
| Localities: | Reported from at least 10 localities in this region. |
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| Photo: © Don Rust. Cerussite from Redburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
| 'Chabazite' | |
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| Locality: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Chalcopyrite |  |
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| Formula: | CuFeS2 |
| Localities: | Reported from at least 8 localities in this region. |
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| Photo: © Christine Rust. Chalcopyrite from Blackdene Mine, Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK |
| 'Chlorite Group' |  |
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| Locality: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Photo: © HW. Chlorite Group from Cambokeels Mine, Westgate, Weardale, North Pennines, Co. Durham, England, UK |
| Chrysocolla | |
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| Formula: | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O (x < 1) |
| Locality: | Westernhope Old Mine, Eastgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Copper | |
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| Formula: | Cu |
| Locality: | Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Coronadite | |
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| Formula: | Pb(Mn4+6Mn3+2)O16 |
| Locality: | Burtree Slits, Cowshill, Weardale, North Pennines, Co. Durham, England, UK |
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| Cuprite | |
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| Formula: | Cu2O |
| Locality: | Westernhope Old Mine, Eastgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Dolomite | |
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| Formula: | CaMg(CO3)2 |
| Localities: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK
Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
Carricks Mine, Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK
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| Ferricopiapite | |
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| Formula: | Fe5(SO4)6O(OH) · 20H2O |
| Locality: | Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Fluorite |  |
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| Formula: | CaF2 |
| Reference: | [www.johnbetts-fineminerals.com] |
| Localities: | Recorded from at least 48 other localities in this region. |
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| Photo: © Joseph A. Freilich. Fluorite from Rogerley Mine, Rogerley Quarry, Frosterley, Weardale, North Pennines, Co. Durham, England, UK |
| Galena |  |
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| Formula: | PbS |
| Localities: | Recorded from at least 44 other localities in this region. |
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| Photo: © Collectors Edge. Galena from Weardale, North Pennines, Co. Durham, England, UK |
| Goethite | |
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| Formula: | α-Fe3+O(OH) |
| Localities: | Reported from at least 7 localities in this region. |
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| Gypsum | |
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| Formula: | CaSO4 · 2H2O |
| Locality: | Bollihope lead smelter (Bollihope Common; slag locality), Weardale, North Pennines, Co. Durham, England, UK |
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| Gypsum var: Selenite |  |
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| Locality: | West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK |
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| Photo: © HW. Selenite from West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK |
| Hydrocerussite |  |
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| Formula: | Pb3(CO3)2(OH)2 |
| Locality: | Rogerley Mine, Rogerley Quarry, Frosterley, Weardale, North Pennines, Co. Durham, England, UK |
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| Photo: © Peter Haas. Hydrocerussite from Rogerley Mine, Rogerley Quarry, Frosterley, Weardale, North Pennines, Co. Durham, England, UK |
| Hydrozincite | |
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| Formula: | Zn5(CO3)2(OH)6 |
| Locality: | West Rigg Quarry, Westgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Jarosite | |
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| Formula: | KFe3+ 3(SO4)2(OH)6 |
| Locality: | Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Lead | |
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| Formula: | Pb |
| Locality: | Bollihope lead smelter (Bollihope Common; slag locality), Weardale, North Pennines, Co. Durham, England, UK |
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| 'Limonite' | |
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| Formula: | FeO(OH) · nH2O |
| Localities: | Reported from at least 7 localities in this region. |
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| Linarite | |
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| Formula: | PbCu(SO4)(OH)2 |
| Locality: | Westernhope Old Mine, Eastgate, Weardale, North Pennines, Co. Durham, England, UK |
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| Litharge | |
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| Formula: | PbO |
| Locality: | Bollihope lead smelter (Bollihope Common; slag locality), Weardale, North Pennines, Co. Durham, England, UK |
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| Malachite |  |
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| Formula: | Cu2(CO3)(OH)2 |
| Localities: | West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK
Westernhope Old Mine, Eastgate, Weardale, North Pennines, Co. Durham, England, UK
Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK
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| Photo: © andy thompson. Malachite from Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK |
| Marcasite | |
|---|
| Formula: | FeS2 |
| Localities: | Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
Burtree Slits, Cowshill, Weardale, North Pennines, Co. Durham, England, UK
Slitt Mine, Westgate, Weardale, North Pennines, Co. Durham, England, UK
Boltsburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
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| Millerite |  |
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| Formula: | NiS |
| Locality: | Boltsburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Photo: © . Millerite from Weardale, North Pennines, Co. Durham, England, UK |
| Pectolite | |
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| Formula: | NaCa2(HSi3O9) |
| Localities: | Copthill Quarry, Copthill, Weardale, North Pennines, Co. Durham, England, UK
Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK
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| Prehnite | |
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| Formula: | Ca2Al2Si3O10(OH)2 |
| Locality: | Copthill Quarry, Copthill, Weardale, North Pennines, Co. Durham, England, UK |
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| Pyrite |  |
|---|
| Formula: | FeS2 |
| Localities: | Reported from at least 11 localities in this region. |
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| Photo: © Lloyd Llewellyn. Pyrite from Greenfoot Quarry, Stanhope, Weardale, North Pennines, Co. Durham, England, UK |
| Pyromorphite | |
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| Formula: | Pb5(PO4)3Cl |
| Locality: | Whitfield Brow Mines, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Pyrrhotite |  |
|---|
| Formula: | Fe1-xS (x = 0 to 0.17) |
| Localities: | Cambokeels Mine (Cammock Isle Mine; Cumnock Isle Mine; Cammock Eals Mine), Westgate, Weardale, North Pennines, Co. Durham, England, UK
Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
Groverake Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK
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| Photo: © Wright's Rock Shop. Pyrrhotite from Cambokeels Mine, Westgate, Weardale, North Pennines, Co. Durham, England, UK |
| Quartz |  |
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| Formula: | SiO2 |
| Localities: | Recorded from at least 31 other localities in this region. |
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| Photo: © HW. Quartz from Swinhopehead Mine, Daddry Shield, Weardale, North Pennines, Co. Durham, England, UK |
| Quartz var: Citrine | |
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| Locality: | Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK |
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| Rosasite |  |
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| Formula: | (Cu,Zn)2(CO3)(OH)2 |
| Locality: | West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK |
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| Photo: © HW. Rosasite from West Pasture Mine, Stanhope, Weardale, North Pennines, Co. Durham, England, UK |
| Siderite |  |
|---|
| Formula: | FeCO3 |
| Localities: | Reported from at least 21 localities in this region. |
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| Photo: © Peter Haas. Siderite from Boltsburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
| Smithsonite |  |
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| Formula: | ZnCO3 |
| Localities: | Greenlaws Mine, Daddry Shield, Weardale, North Pennines, Co. Durham, England, UK
Yew Tree Mine, Bollihope District, Weardale, North Pennines, Co. Durham, England, UK
Rogerley Mine, Rogerley Quarry, Frosterley, Weardale, North Pennines, Co. Durham, England, UK
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| Photo: © Lloyd Llewellyn. Smithsonite from Greenlaws Mine, Daddry Shield, Weardale, North Pennines, Co. Durham, England, UK |
| Sphalerite |  |
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| Formula: | ZnS |
| Localities: | Reported from at least 15 localities in this region. |
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| Photo: © HW. Sphalerite from Frazer's Hush Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England, UK |
| Thaumasite | |
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| Formula: | Ca3(SO4)[Si(OH)6](CO3) · 12H2O |
| Locality: | Burtree Slits, Cowshill, Weardale, North Pennines, Co. Durham, England, UK |
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49 entries listed. 44 valid minerals.
Dunham, K. C., 1990. Geology of the North Pennines Orefield, vol. 1, 2nd ed. London: British Geological Survey.
Fisher, J., 2004. Fluorite from the North Pennines Orefield, England. Rocks and Minerals 79(6): 378-98.
Symes, R. F., and B. Young, 2008. Minerals of Northern England. Natural History Museum, London, and National Museums of Scotland, Edinburgh.
