Azurite from selected localities.
UK | |
| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 2 Stainmore to Craven (2nd Edition), pp 160-161. |
Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 2 Stainmore to Craven (2nd Edition), pp 158-160. | |
| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 2 Stainmore to Craven (2nd Edition), pp 161. |
Billy Bank Veins, Richmond, Richmondshire, North Yorkshire, England, UK