Pseudoboleite from Devon and Cornwall metalliferous mining district, England, UK
UK | |
| BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html) |
| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. |
| Peter Trebilcock Collection. |
The Gannel Smelter slag locality, Crantock, Cornwall, England, UK