Isostannite. From Cligga Mine, Perranzabuloe, Cornwall. Richard Barstow collection. 

Stannite. From St Agnes, Cornwall. 

Stannite and chalcopyrite. From Carn Brea Mine, Illogan, Cornwall. 

Stannite. From Wheal Agar, Illogan, Cornwall.  A.P. Jenkin collection. 

Stannite. From Wheal Jane, Kea, Cornwall. Richard Barstow collection. 

Stannite. From Carn Brea Mine, Illogan, Cornwall. James Wickett collection. 

Scheelite with quartz, arsenopyrite and chlorite. From Wheal Friendship, Devon.

Scheelite with chlorite. From Wheal Friendship, Devon. James Wickett collection.

Bismuthinite. From South Crofty Mine, Illogan, Cornwall. Richard Barstow collection. 

Bismuthinite. From St Wenn, Cornwall. 

Bismuthinite. From East Pool Mine, Illogan, Cornwall. J.H. Collins collection. 

Quartz after scheelite. From Ramsley Mine, Sticklepath, Devon. Collector: N. Carruth.

Bismuthinite, quartz and fluorite. From South Crofty Mine, Illogan, Cornwall. Richard Barstow collection. 

Bismuthinite. From Fowey Consols, Tywardreath, Cornwall.

Native bismuth. From Botallack Mine, St Just in Penwith, Cornwall. 

Bismuth on fluorite. From Dolcoath Mine, Camborne, Cornwall. J.H. Collins collection.

Bismuth and quartz. From East Crofty Mine, Illogan, Cornwall. 

Nickeline, smaltite and quartz. From St Austell Consols, St Stephen in Brannel, Cornwall. Richard Barstow collection. 

Nickeline. From Pengelly Mine, St Ewe, Cornwall. 

Millerite. From Gerrans Bay, Cornwall. J.H. Collins collection. 

Bismuthinite and chalcopyrite. From Fowey Consols, Tywardreath, Cornwall. 

Native bismuth. From St Ives Consols, St Ives, Cornwall. Richard Barstow collection. 

Bismuth and quartz. From St Ives Consols, St Ives, Cornwall. James Wickett collection. 

Bismuth in quartz with chalcopyrite. From East Crofty Mine, Illogan, Cornwall. 

Ilmenite. From Manaccan, Cornwall. Kindly loaned by the Royal Geological Society of Cornwall.

Ilmenite sand from Manaccan. Philip Rashleigh collection.

Molybdenite, tourmaline and quartz. From Penlee Quarry, Penzance, Cornwall. Richard Barstow collection. 

Wolframite, chalcopyrite and quartz. From East Pool Mine, Illogan, Cornwall. James Wickett collection. 

Wolframite. From Maudlin Mine, Lanlivery, Cornwall. Phillip Rashleigh collection. 

Wolframite in quartz with copper and iron pyrites. From East Pool Mine, Illogan, Cornwall. John Hosking collection. 

Wolframite with quartz. From East Pool Mine, Illogan, Cornwall.

Wolframite, cassiterite and fluorite. From East Pool Mine, Illogan, Cornwall. James Wickett collection. 

Wolframite with quartz, arsenopyrite and chalcopyrite. From East Pool Mine, Illogan, Cornwall. J.C. Williams collection. 

Wolframite. From St Day United Mines, St Day, Cornwall. James Wickett collection. 

Wolframite and arsenopyrite. From Hingston Down Quarry, Gunnislake, Cornwall. Richard Barstow collection. 

Wolframite. From Cligga Mine, Perranzabuloe, Cornwall.