Transactions of the Royal Geological Society of Cornwall, Vol.6 p77 - 78
| Notice of Pseudomorphous crystals of Quartz lately found in the St Ives Consols Tin Mine, J N R Millett, VI: 77-78. |
| Notice of Pseudomorphous crystals of Quartz lately found in the St Ives Consols Tin Mine, J N R Millett, VI: 77-78. |