Chalcedony from Skeena Mining Division, British Columbia, Canada
Canada | |
| Peatfield, Giles (n.d.) Personal communication. |
| Anthony B. Christie (1989) Cinola Gold Deposit, Queen Charlotte Islands (l03F/9E). BC Geological Survey Geological Fieldwork 1988 pp423-428 |
| Peatfield, Giles (n.d.) Personal communication. |