Schulenbergite from Cornwall, England, UK
UK | |
| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. |
| S. Rust collection. |
| Betterton, J. (2000) Famous Mineral Localities: Penberthy Croft Mine, St. Hilary, Cornwall, England. UK Journal of Mines and Minerals 20, Rockbottom Publications. 7-37 |
Penberthy Croft Mine, St Hilary, Cornwall, England, UK