Yellow fluorite untwinned crystal, 4 cm specimen, Hilton Mine, Scordale, North Pennines, Cumbria. |
Amber-coloured transparent fluorite penetration twin, 22 mm on edge, Hilton Mine, Scordale, North Pennines, Cumbria, England. |
Yellow fluorite interpenetrant twin, 45 mm, Hilton Mine, Scordale, North Pennines, Cumbria, England. |
Detail of octahedral etch pits in Hilton Mine fluorite. |
Detail of octahedral etch pits in Hilton Mine fluorite. |
Fluorite gem twin Hilton Mine, 45 mm specimen |
Detail of 1 cm gem twin from the Hilton Mine showing hexoctahedral corner modifications. |
Fluorite gem twin (15 mm) with sulphide inclusions, 6 cm specimen. Hilton Mine, Scordale, Cumbria. |
Beautiful transparent twinned fluorite, 17 mm across. Note blue growth lines. Dow Scar vein, Hilton Mine, Scoredale. |
Fluorite crystal detail, crystals to 5 mm on 5 cm matrix. Clouds Mine, Ravenstonedale, Kirkby Stephen, Cumbria. |
Fluorite cubes to 12 mm with tetrahexahedral edges and hexoctahedral corners. Fothergill Sike, Birkett Common, Kirkby Stephen. |
Cerussite on fluorite crystals, 7 cm specimen. Hilton Mine, Scordale, Cumbria. CS January 1982. |
Calcite crystals, 43 mm, Hilton Mine, Cumbria, England, UK. One individual is rotated 180 degrees relative to the other. |
Malachite crystals from the Murton Mine, fine crystals to 3 mm, field of view 7 mm (longest edge). |
Azurite crystals to about 1.5 mm on 2 cm quartz matrix. Cumpston Hill, Mallerstang, Cumbria. |
Azurite crystals to about 1 mm, High Longrigg, Kirkby Stephen, Cumbria |
2 mm azurite crystal group with malachite. Cumpston Hill, Mallerstang, Cumbria. |
Baryte in 20 cm group of tabular crystals. Hilton Mine, Scordale, Cumbria. |
A large barite crystal, 85 mm, from "Dufton Fell", Dufton, Cumbria. A distinctive collar of micro pyrite crystals can be seen. |
Baryte crystal, 85 mm long, Silverband Mine, Cumbria. |
Barite, 26 mm doubly terminated crystal, Old Sun Vein, Lunedale Rakes, Lunedale, Co Durham. |
Baryte crystals, 63 mm. Hilton Mine. Scordale, Cumbria, UK. |
Anglesite, 1 mm, with cerussite and fluorite, Hilton Mine, Scordale, Cumbria |
Hemimorphite crystals, Hartley Birkett Mine, Hartley, Kirkby Stephen, Cumbria. |
Murton mimetite.jpg |