Tsumebite
8190 Tsumebite, Roughton Gill Mine, Roughton Gill, Caldbeck Fells, Cumbria, England
ex Bernie and Margaret Day Collection
7184 Tsumebite, Roughton Gill Mine, Roughton Gill, Caldbeck Fells, Cumbria, England
ex Joan Lamond Collection, ex Harry Critchley.