![Galena, 11 cm tall with cuboctahedra to 6 cm and calcite crystals. Maisy Mouse Pocket, Rampgill Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g9/41/984841/3/148151570.STf2OG0I.jpg) Galena, 11 cm tall with cuboctahedra to 6 cm and calcite crystals. Maisy Mouse Pocket, Rampgill Mine, Alston Moor, Cumbria. |
![Galena cuboctahedra to 7 cm across. Old Fan Flatts, Smallcleugh Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g10/41/984841/3/149435178.xbp6Rmi3.jpg) Galena cuboctahedra to 7 cm across. Old Fan Flatts, Smallcleugh Mine, Nenthead, Alston Moor. |
![Galena cuboctahedra to 2 cm, Smallcleugh Mine, Nenthead, Alston Moor, N Pennines, Cumbria.](https://a4.pbase.com/g4/41/984841/3/145160975.t4Sgxhti.jpg) Galena cuboctahedra to 2 cm, Smallcleugh Mine, Nenthead, Alston Moor, N Pennines, Cumbria. |
![Galena cuboctahedra to 12mm with ankerite on drusy quartz. Smallcleugh Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g4/41/984841/3/145890923.yNN2a5Vf.jpg) Galena cuboctahedra to 12mm with ankerite on drusy quartz. Smallcleugh Mine, Nenthead, Alston Moor. |
![5 cm Galena cuboctahedron with quartz and sphalerite on ankerite-dolomite. Smallcleugh Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g9/41/984841/3/148584041.4JavvuC5.jpg) 5 cm Galena cuboctahedron with quartz and sphalerite on ankerite-dolomite. Smallcleugh Mine, Nenthead, Alston Moor. |
![Galena, Brownley Hill mine](https://a4.pbase.com/g9/41/984841/3/150281751.JPWJBmpJ.jpg) Galena, Brownley Hill mine |
![Sphalerite crystals to about 15 mm in 7 cm group. Smallcleugh Mine, Nenthead, Cumbria.](https://a4.pbase.com/g2/41/984841/3/147950208.p2UvKNoa.jpg) Sphalerite crystals to about 15 mm in 7 cm group. Smallcleugh Mine, Nenthead, Cumbria. |
![Beautiful 65 mm specimen of sphalerite (crystals to 15 mm) and calcite, Smallcleugh Mine.](https://a4.pbase.com/g2/41/984841/3/148632718.yrggmaG1.jpg) Beautiful 65 mm specimen of sphalerite (crystals to 15 mm) and calcite, Smallcleugh Mine. |
![Gemmy sphalerite crystals on quartz, Admiralty Flats, Nentsberry Haggs, Alston Moor.](https://a4.pbase.com/g1/41/984841/3/145961901.HIiOkFEK.jpg) Gemmy sphalerite crystals on quartz, Admiralty Flats, Nentsberry Haggs, Alston Moor. |
![Sphalerite, galena, ankerite and barite pseudomorphs after alstonite (5 mm), Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g4/41/984841/3/145311374.2ybzNCWM.jpg) Sphalerite, galena, ankerite and barite pseudomorphs after alstonite (5 mm), Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Sphalerite crystals to 7 mm on 8 cm quartz matrix. Scraithole Mine, Carrshield, W Allendale, Northumberland, UK.](https://a4.pbase.com/g9/41/984841/3/151511840.jNj18rKf.jpg) Sphalerite crystals to 7 mm on 8 cm quartz matrix. Scraithole Mine, Carrshield, W Allendale, Northumberland, UK. |
![Sphalerite on minor matrix, 33mm, Rampgill Mine, Nenthead, Alston Moor, Cumbria.](https://a4.pbase.com/g9/41/984841/3/153172508.i19zieAX.jpg) Sphalerite on minor matrix, 33mm, Rampgill Mine, Nenthead, Alston Moor, Cumbria. |
![Group of pyrite cubes to 5 mm. Nenthead Mine, Alston Moor.](https://a4.pbase.com/g1/41/984841/3/146675528.8bXxZVOg.jpg) Group of pyrite cubes to 5 mm. Nenthead Mine, Alston Moor. |
![Fluorite crystal 12 mm across on 68 mm matrix of quartz with sphalerite. Appropriation Pocket, Boundary Flatt, Rampgill Mine](https://a4.pbase.com/g2/41/984841/3/148274919.s4PWZfG1.jpg) Fluorite crystal 12 mm across on 68 mm matrix of quartz with sphalerite. Appropriation Pocket, Boundary Flatt, Rampgill Mine |
![Beautiful transparent twinned fluorite (with hexoctahedral corners), Diana Vein, Beaumont Mine, Allendale, Northumberland.](https://a4.pbase.com/g2/41/984841/3/148479369.pzsH9Por.jpg) Beautiful transparent twinned fluorite (with hexoctahedral corners), Diana Vein, Beaumont Mine, Allendale, Northumberland. |
![Gemmy fluorite twin with quartz. St Peter's Mine, Allendale, Northumberland](https://a4.pbase.com/g12/41/984841/3/167731612.8IPJLp5i.jpg) Gemmy fluorite twin with quartz. St Peter's Mine, Allendale, Northumberland |
![Lustrous gemmy penetration twinned fluorite, 35 mm on 11 cm matrix. Rotherhope Fell Mine, Tynebottom Flats, Alston Moor, Cumbria](https://a4.pbase.com/g10/41/984841/3/157871526.gOnIZw7k.jpg) Lustrous gemmy penetration twinned fluorite, 35 mm on 11 cm matrix. Rotherhope Fell Mine, Tynebottom Flats, Alston Moor, Cumbria |
![Rotherhope fluorite detail](https://a4.pbase.com/g9/41/984841/3/157871530.aZiKtbrr.jpg) Rotherhope fluorite detail |
![Rotherhope fluorite detail](https://a4.pbase.com/g9/41/984841/3/157871533.a8EVotO9.jpg) Rotherhope fluorite detail |
![Rotherhope fluorite detail](https://a4.pbase.com/g9/41/984841/3/157871535.v60xKqbB.jpg) Rotherhope fluorite detail |
![Rotherhope fluorite detail](https://a4.pbase.com/g9/41/984841/3/157871537.k6KQ4P0w.jpg) Rotherhope fluorite detail |
![Witherite sixlings with thin baryte coating, 5 cm, Nentsberry Haggs Mine, Alston Moor.](https://a4.pbase.com/g4/41/984841/3/145890868.evMx3Vmq.jpg) Witherite sixlings with thin baryte coating, 5 cm, Nentsberry Haggs Mine, Alston Moor. |
![Witherite twins, 4 cm. Cross cut on Liverick Vein, between High Raise and Treloar veins, Nentsberry Haggs Mine.](https://a4.pbase.com/g2/41/984841/3/147941677.xfcieCNg.jpg) Witherite twins, 4 cm. Cross cut on Liverick Vein, between High Raise and Treloar veins, Nentsberry Haggs Mine. |
![A fine 55 mm witherite crystal with micro barite coating. Admiralty Flats, High Raise, 2nd Sun Vein, Haggs Mine. Found 1992.](https://a4.pbase.com/g10/41/984841/3/148645907.frcJMten.jpg) A fine 55 mm witherite crystal with micro barite coating. Admiralty Flats, High Raise, 2nd Sun Vein, Haggs Mine. Found 1992. |
![Witherite, 45 mm specimen. Liverick Twin Vein, Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g2/41/984841/3/149660860.W0YiaNgo.jpg) Witherite, 45 mm specimen. Liverick Twin Vein, Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Witherite, 35 mm pyramidal crystal twin, Nentsberry Haggs, Alston Moor, Cumbria.](https://a4.pbase.com/g13/41/984841/3/147646751.01c7059c.JPEG) Witherite, 35 mm pyramidal crystal twin, Nentsberry Haggs, Alston Moor, Cumbria. |
![Rare epitaxial baryte on witherite, Scaleburn Vein, Rampgill Mine, Nenthead, Cumbria. 12 mm witherites on 35 mm matrix.](https://a4.pbase.com/g2/41/984841/3/149126488.G5pbTl15.jpg) Rare epitaxial baryte on witherite, Scaleburn Vein, Rampgill Mine, Nenthead, Cumbria. 12 mm witherites on 35 mm matrix. |
![Alston witherite 1.jpg](https://a4.pbase.com/g13/41/984841/3/166806617.0ca39cb6.JPEG) Alston witherite 1.jpg |
![Alston witherite 3.jpg](https://a4.pbase.com/g10/41/984841/3/166806619.J7XlKJuD.jpg) Alston witherite 3.jpg |
![Alston witherite 2.jpg](https://a4.pbase.com/g10/41/984841/3/166806618.mEQ7PlHm.jpg) Alston witherite 2.jpg |
![Alstonite, High Cross Vein, Brownley Hill Mine, Nenthead, Cumbria, UK. 2.5 x 4 cm cluster sixling twins to 1 cm with calcite.](https://a4.pbase.com/g4/41/984841/3/145335177.9F5AkuKJ.jpg) Alstonite, High Cross Vein, Brownley Hill Mine, Nenthead, Cumbria, UK. 2.5 x 4 cm cluster sixling twins to 1 cm with calcite. |
![Russell barytocalcite 2.jpg](https://a4.pbase.com/g10/41/984841/3/167050929.VXkdplKk.jpg) Russell barytocalcite 2.jpg |
![Russell barytocalcite 1.jpg](https://a4.pbase.com/g10/41/984841/3/167050930.jePhCgOz.jpg) Russell barytocalcite 1.jpg |
![Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g9/41/984841/3/149126558.wrEc1V19.jpg) Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g10/41/984841/3/167050936.5GnpbEny.jpg) Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g10/41/984841/3/167050931.YBRjVGZ3.jpg) Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria.](https://a4.pbase.com/g10/41/984841/3/167050934.ofmpGdpR.jpg) Barytocalcite, honey brown monoclinic crystals to 15 m on 55 mm witherite matrix. Nentsberry Haggs Mine, Alston Moor, Cumbria. |
![Alston Moor cerussite, 38 mm. Ex John Albanese (1898-1969), New Jersey, USA.](https://a4.pbase.com/g4/41/984841/3/145676854.Fe8rxzLq.jpg) Alston Moor cerussite, 38 mm. Ex John Albanese (1898-1969), New Jersey, USA. |
![Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill.](https://a4.pbase.com/g10/41/984841/3/167381112.kQx0Zqys.jpg) Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill. |
![Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill.](https://a4.pbase.com/g10/41/984841/3/167381114.JwI0EB2p.jpg) Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill. |
![Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill.](https://a4.pbase.com/g10/41/984841/3/167381113.CnzbKXQQ.jpg) Calcite crystals to 33 mm on 9 cm matrix. Blue-grey calcite overgrowths on colourless cores. Tynebottom Mine, Garrigill. |
![Tynebottom calcite crystal model](https://a4.pbase.com/g10/41/984841/3/167381111.oHorO5eF.jpg) Tynebottom calcite crystal model |
![Doubly terminated calcite crystals to 22 mm on sphalerite, Jug Vein, Brownley Hill Mine, Cumbria. Ex Lindsay Greenbank.](https://a4.pbase.com/g10/41/984841/3/146944130.Xs9D3WAg.jpg) Doubly terminated calcite crystals to 22 mm on sphalerite, Jug Vein, Brownley Hill Mine, Cumbria. Ex Lindsay Greenbank. |
![Prismatic calcite crystals to 15 mm with flat terminations. Rodderup (sometimes spelt Rotherhope) Fell Mine, Alston, Cumbria.](https://a4.pbase.com/g2/41/984841/3/147196011.b4JO9Bhp.jpg) Prismatic calcite crystals to 15 mm with flat terminations. Rodderup (sometimes spelt Rotherhope) Fell Mine, Alston, Cumbria. |
![Calcite_twin_Smallcleugh.jpg](https://a4.pbase.com/g11/41/984841/3/168676610.UtRET2sJ.jpg) Calcite_twin_Smallcleugh.jpg |
![Cobaltoan calcite, 63 mm druse of fine tiny pink scalenohedra. Main Flats, Tynebottom Mine, Garrigill, Cumbria. Found May 1987.](https://a4.pbase.com/g4/41/984841/3/145742171.cFXFnrwo.jpg) Cobaltoan calcite, 63 mm druse of fine tiny pink scalenohedra. Main Flats, Tynebottom Mine, Garrigill, Cumbria. Found May 1987. |
![Malachite crystals, Ashgill Field Mines, Crossgill, Alston Moor, Cumbria, 3 cm specimen](https://a4.pbase.com/g9/41/984841/3/147748190.4hiZRSOg.jpg) Malachite crystals, Ashgill Field Mines, Crossgill, Alston Moor, Cumbria, 3 cm specimen |
![Brianyoungite white microcrystals on sphalerite, Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g1/41/984841/3/146316114.ou17I2eC.jpg) Brianyoungite white microcrystals on sphalerite, Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor. |
![Brianyoungite on sphalerite, with fluorite and quartz, Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g1/41/984841/3/146344387.GMyXaB7c.jpg) Brianyoungite on sphalerite, with fluorite and quartz, Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor. |
![Brainyoungite, acicular crystals on 25 mm matrix. Brownley Hill Mine.](https://a4.pbase.com/g9/41/984841/3/159215826.H45CHMl7.jpg) Brainyoungite, acicular crystals on 25 mm matrix. Brownley Hill Mine. |
![Hydrozincite, Smallcleugh Mine, Nenthead, Alston Moor, Cumbria, UK.](https://a4.pbase.com/g2/41/984841/3/148479372.kzV2tKyx.jpg) Hydrozincite, Smallcleugh Mine, Nenthead, Alston Moor, Cumbria, UK. |
![Galena cuboctahedra to 12mm with ankerite on drusy quartz. Smallcleugh Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g4/41/984841/3/145890924.omtgda6U.jpg) Galena cuboctahedra to 12mm with ankerite on drusy quartz. Smallcleugh Mine, Nenthead, Alston Moor. |
![Ankerite on thin quartz epimorph of fluorite with sphalerite. Barneycraig Mine.](https://a4.pbase.com/g1/41/984841/3/146344389.bN08UDav.jpg) Ankerite on thin quartz epimorph of fluorite with sphalerite. Barneycraig Mine. |
![Barite cockscomb of transparent sharp crystals, 7 cm. Haggs Mine, Nentsberry, Alston, Cumbria.](https://a4.pbase.com/g2/41/984841/3/148479370.9OSKCWmW.jpg) Barite cockscomb of transparent sharp crystals, 7 cm. Haggs Mine, Nentsberry, Alston, Cumbria. |
![Brochantite and aragonite, detail of a 6 cm specimen. Tynebottom Mine, Garrigill, Cumbria.](https://a4.pbase.com/g2/41/984841/3/147912207.hNaTk8LP.jpg) Brochantite and aragonite, detail of a 6 cm specimen. Tynebottom Mine, Garrigill, Cumbria. |
![Erythrite in spheroidal aggregates, on 3 cm matrix. Tynebottom Mine, Garrigill, Alston Moor, Cumbria. (FOV ca 4 mm).](https://a4.pbase.com/g2/41/984841/3/147753116.HrBgwZRr.jpg) Erythrite in spheroidal aggregates, on 3 cm matrix. Tynebottom Mine, Garrigill, Alston Moor, Cumbria. (FOV ca 4 mm). |
![Erythrite with selenite gypsum, Tynebottom Mine, Garrigill, Alston Moor, Cumbria. (FOV ca 5 mm).](https://a4.pbase.com/g2/41/984841/3/147757289.ONrYyD5L.jpg) Erythrite with selenite gypsum, Tynebottom Mine, Garrigill, Alston Moor, Cumbria. (FOV ca 5 mm). |
![Detail of erythrite from the Tynebottom mine.](https://a4.pbase.com/g2/41/984841/3/147757292.eqJLdayZ.jpg) Detail of erythrite from the Tynebottom mine. |
![Pyromorphite crystals to 2 mm on 3 cm matrix, Hardrigg Edge, Melmerby Fell, Alston, Cumbria.](https://a4.pbase.com/g2/41/984841/3/147330000.Q47hqOVf.jpg) Pyromorphite crystals to 2 mm on 3 cm matrix, Hardrigg Edge, Melmerby Fell, Alston, Cumbria. |
![Melanterite (according to label) crystals to 7 mm (or epsomite) on 36 mm matrix, Smallcleugh Mine, Nenthead, Alston, Cumbria.](https://a4.pbase.com/g9/41/984841/3/158513872.GdlFENaS.jpg) Melanterite (according to label) crystals to 7 mm (or epsomite) on 36 mm matrix, Smallcleugh Mine, Nenthead, Alston, Cumbria. |
![Quartz epimorphs after fluorite, with sphalerite, 47 mm specimen. Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g1/41/984841/3/146344380.tJyW1RKM.jpg) Quartz epimorphs after fluorite, with sphalerite, 47 mm specimen. Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor. |
![Quartz epimorphs after fluorite, with sphalerite, 60 mm specimen. Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor.](https://a4.pbase.com/g2/41/984841/3/149661649.XrNCP7n3.jpg) Quartz epimorphs after fluorite, with sphalerite, 60 mm specimen. Boundary Cross Vein, Rampgill Mine, Nenthead, Alston Moor. |
![Detail of zoned fluorite in 11 cm specimen. Brownley Hill (though labelled Stotfield Burn Mine, Rookhope)](https://a4.pbase.com/g9/41/984841/3/157366120.mngewK96.jpg) Detail of zoned fluorite in 11 cm specimen. Brownley Hill (though labelled Stotfield Burn Mine, Rookhope) |
![Fallowfields witherite, Northumberland, 52 mm](https://a4.pbase.com/g12/41/984841/3/166661104.tlbFWrYm.jpg) Fallowfields witherite, Northumberland, 52 mm |
![Fallowfield witherite, 8 cm, an unusual prismatic habit](https://a4.pbase.com/g10/41/984841/3/166806637.uljnhmQl.jpg) Fallowfield witherite, 8 cm, an unusual prismatic habit |
![Hexham Northumberland alstonite, 5 cm matrix, Carnegie label, 1840s.](https://a4.pbase.com/g10/41/984841/3/166806620.2C5a6LEV.jpg) Hexham Northumberland alstonite, 5 cm matrix, Carnegie label, 1840s. |
![Hexham Northumberland alstonite, 5 cm matrix, Carnegie label, 1840s.](https://a4.pbase.com/g10/41/984841/3/166992493.gQTqCTVx.jpg) Hexham Northumberland alstonite, 5 cm matrix, Carnegie label, 1840s. |