Chalcopyrite from selected localities.
Ireland | |
| F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) |
Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 540-626 | |
Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 540-626; Moreton, S. (1991) J. Russell Soc., 4(1), p. 36-7 |