Wood tin. Cassiterite boulder.

Cassiterite with elvan in water-worn cobble. From Saundrycock, St Blazey. Philip Rashleigh collection.

Wood tin. Cassiterite. From Great Wheal Vor, Breage, Cornwall.

Alluvial cassiterite. From Polgooth, Cornwall.

Cassiterite water-worn pebble. From Carnon stream works, Devoran, Cornwall. James Wickett Collection.

Water-worn cassiterite. From Kerrow Rock, St Austell, Cornwall. Richard Barstow collection.

Cassiterite pebbles. From Porth Mine, St Blazey, Cornwall. Philip Rashleigh Collection.

Cassiterite water-worn pebbles. From Goss Moor, Cornwall. Philip Rashleigh Collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Cassiterite, tin pebbles in conglomerate. From Carnon stream works, Devoran, Cornwall. James Wickett Collection.

Cassiterite grains. From Bodmin Moor, Cornwall.

Cassiterite. From Tresco, Isles of Scilly.

Cassiterite. From Porth Mine, St Blazey, Cornwall. Philip Rashleigh Collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Wood tin. Cassiterite pebbles. From Pentewan stream works, St Austell, Cornwall.

Cassiterite crystals with wood tin. From Gavrigan Mine, Indian Queens, Cornwall.

Wood tin with toad’s eye tin. Polished cassiterite. From Wheal Kitty, St Agnes, Cornwall. James Wickett Collection.

Polished cassiterite ‘wood tin’ coating quartz. From Goss Moor, St Austell, Cornwall.

Water-worn wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Polished cassiterite ‘wood tin’ with quartz. Thought to be from Wheal Kitty, St Agnes, Cornwall.

Concentrate of gold and cassiterite. From Cornwall.

Cassiterite twinned crystal. From the Luxulyan or St Austell area, Cornwall. Philip Rashleigh Collection.

Polished cassiterite ‘wood tin’ on quartz. Probably from Wheal Kitty, St Agnes, Cornwall. James Wickett Collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Wood tin. Cassiterite. From Bejerans (Bejowans) Stream Works, Sancreed, Cornwall.

Wood tin. Polished cassiterite with quartz. From Carnon stream works, Devoran, Cornwall.

Concentrate of gold and cassiterite. From Ladock, Cornwall.

Gold. From Carnon stream works, Perranarworthal, Cornwall. Philip Rashleigh collection.

Gold grains with stream tin. From Cornwall. Philip Rashleigh collection.

Gold. From Carnon stream works, Perranarworthal, Cornwall. Philip Rashleigh collection.

Dendritic gold on calcite. From Hope’s Nose, Torquay, Devon. Richard Barstow collection.

Wood tin cassiterite. From Cornwall. Philip Rashleigh collection.

Gold on quartz. From Wheal Gorland, St Day, Cornwall. Richard Barstow Collection.

Gold on calcite. From Hope’s Nose Mine, Torquay, Devon. M. Merry Collection.

Gold flakes in stream tin. From Carnon stream works.

Native gold granules. From Ladock valley, Cornwall.