Montmorillonite from St Agnes Mining District, Cornwall, England, UK
UK | |
| Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp. Collins, J.H. (1878): Mineralogical Magazine 2, 92-94 |
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London. |