| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Goodchild, J.G. (1884) Contributions towards a list of minerals occurring in Cumberland and Westmorland [part 2]. Transactions of the Cumberland Association for the Advancement of Literature and Science, 8 (for 1883-1184), 189-204. |
Carrock Mine, Mungrisdale, Eden, Cumbria, England, UK