Molybdenite. From United Mines, Gwennap, Cornwall. 

Molybdenite. From Hingston Down Quarry, Gunnislake, Cornwall. Richard Barstow collection. 

Bismuthenite with quartz. From Fowey Consols, Tywardreath, Cornwall. Carne collection.

Stannite. From Carn Brea Mine, Illogan, Cornwall. 

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

Stannite. From Wheal Rock, St Agnes, Cornwall. Philip Rashleigh collection. 

Baryte. From Babbacombe, Torquay, Devon. H.C. Hodge collection.