Dishes decorated with underglaze cobalt blue pigment from Wheal Sparnon, Redruth. Made by Spode, Stoke-on-Trent, Staffordhire around 1812.

Smaltite with chlorite and cassiterite. From Wherry Mine, Penzance, Cornwall. Philip Rashleigh collection. 

Smaltite with chlorite and erythrite. From Wherry Mine, Penzance, Cornwall. Philip Rashleigh collection. 

Smaltite. From Dolcoath, Camborne, Cornwall. Philip Rashleigh collection. 

Smaltite with pyrite, quartz and erythrite. From Wheal Trego, St Enoder, Cornwall. Philip Rashleigh collection. 

Smaltite and siderite. From East Pool Mine, Illogan, Cornwall. 

Smaltite and erythrite. From Wheal Sparnon, Redruth, Cornwall. 

Smaltite with erythrite. From Wheal Sparnon, Redruth, Cornwall. Philip Rashleigh collection. 

Smaltite, erythrite and bismuth. From Tincroft, Illogan, Cornwall. Philip Rashleigh collection. 

Smaltite. From Dolcoath, Camborne, Cornwall. Philip Rashleigh collection. 

Smaltite with quartz and silver. From Herland Mine, Gwinear, Cornwall. 

Bismuth with erythrite. From Dolcoath, Camborne, Cornwall. 

Silver on galena. From Wheal Dartington, also known as ‘Bog Mine’, Long Rock, Cornwall. 

Smaltite with erythrite. From Herland Mine, Gwinear, Cornwall. Philip Rashleigh collection. 

Chlorargyrite and cerargyrite “horn silver”. From Wheal Peru, Perranzabuloe, Cornwall. Philip Rashleigh collection. 

Chlorargyrite on limonite “horn silver”. From Wheal Mexico, Perranzabuloe, Cornwall. Philip Rashleigh collection. 

Silver on quartz. From Herland Mine, Gwinear, Cornwall. 

Silver. From Harrowbarrow Mine, St Mellion, Cornwall. 

Silver. From Duchy Great Consols, Calstock, Cornwall. 

Silver and argentite. From Duchy Great Consols, Calstock, Cornwall. 

Pyrargyrite. From Ludcott Mine, St Ive, Cornwall. Richard Barstow collection.

Silver with pyrargerite, erythrite and sphalerite. From Herland Mine, Gwinear, Cornwall. Philip Rashleigh collection. 

Silver, quartz and haematite. From Lanescot Mine, Tywardreath, Cornwall. 

Chlorargyrite on limonite “horn silver”. From Wheal Mexico, Perranzabuloe, Cornwall. Philip Rashleigh collection. 

Chlorargyrite with limonite and quartz. From Dolcoath Mine, Camborne, Cornwall. Richard Pearce collection.

Silver Tobacco Box, made with silver mined at Perranporth, Cornwall. Hallmarked at Birmingham in 1905-6.

Chlorargyrite on limonite with pyromorphite “horn silver”. From Wheal Mexico, Perranzabuloe, Cornwall. Philip Rashleigh collection. 

Silver in quartz. From Wheal Duchy, Calstock, Cornwall. J. C. Williams collection.