Specularite from Ireland
Ireland | |
| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 627-634 |
| Barry Flannery (Personal Collection) |
Ireland | |
| Henwood, W.J. (1871): Transactions of the Royal Geological Society of Cornwall 8(1), 627-634 |
| Barry Flannery (Personal Collection) |