Corundum from Washington, USA
USA | |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| USGS Bull 931H |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |