East Pool Mine, Tolvaddon Valley, Tuckingmill, Cornwall.
A quartz matrix richly mineralised with steel-grey stannite, accompanied by chalcopyrite.
The specimen retains a rare early collection label from the late Richard Barstow, dated October 1972, two months before he established his mineral dealership at Tregeseal in St. Just.
Collected from the dressing floors in Tuckingmill Valley, theese were removed during the 1980s.
From the Roger Harker collection.
Size 7.5 x 6 x 3.5 cm
