Uvarovite from Piedmontia Domain, North America Plate
Canada | |
| Horváth, László, Pfenninger-Horváth, Elsa, Spertini, Francesco (2013) The Jeffrey mine, Asbestos, Québec, Canada. The Mineralogical Record, 44 (4) 375-417 |
USA | |
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania Dana 6:1069. |