Sphalerite. From St Agnes, Cornwall. Philip Rashleigh collection. 

Sphalerite. From St Agnes, Cornwall. 

Sphalerite. From St Agnes, Cornwall. Philip Rashleigh collection. 

Sphalerite. From Poldice Mines, St Day, Cornwall. Philip Rashleigh collection. 

Sphalerite. From Poldice Mines, St Day, Cornwall. Philip Rashleigh collection. 

Sphalerite. From Cornwall.

Sphalerite. From St Agnes, Cornwall. 

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

Sphalerite. From Old Warren Mine, Ladock, Cornwall. 

Sphalerite. From Great Wheal Vor, Breage, Cornwall. James Wickett collection. 

Sphalerite. From Wheal Wood, St Agnes, Cornwall. 

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

Sphalerite. From St Agnes, Cornwall. 

Sphalerite. From St Agnes, Cornwall. 

Sphalerite. From Wheal Rosewarne, Gwinear, Cornwall. James Wickett collection. 

Sphalerite. From Fowey Consols, Tywardreath, Cornwall. Richard Barstow collection. 

Sphalerite. From Fowey Consols, Tywardreath, Cornwall. 

Sphalerite. From Alfred Consols, Phillack, Cornwall. James Wickett collection. 

Bournonite and sphalerite. From Wheal Boys, Endellion, Cornwall. Philip Rashleigh collection.

Sphalerite. From Wheal Trevaunance, St Agnes, Cornwall. 

Sphalerite. From Wheal Trevaunance, St Agnes, Cornwall. Philip Rashleigh collection. 

 Sphalerite with chalcopyrite and quartz. From United Mines, Gwennap, Cornwall.

Sphalerite. From Wheal Jane, Kea, Cornwall. R.B. Booth collection. 

Sphalerite. From Wheal Friendly, St Agnes, Cornwall.