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UK | |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
- Devon and Cornwall United Mines
| Hall, T.M. (1868): Edward Stanford (London), 168 pp. |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
| |
| Dines, H. G. (1956) Memoirs of the Geological Survey (1st ed.) Vol. 2 - The Metalliferous Mining Region of South-West England. Geological Survey of Great Britain, London. |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
| Dines, H. G. (1956) Memoirs of the Geological Survey (1st ed.) Vol. 2 - The Metalliferous Mining Region of South-West England. Geological Survey of Great Britain, London. |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |
| Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126 |