Sepiolite from Washington, USA
USA | |
| Rocks & Min.: 14:112-113. |
| Werner, R., (2006), Fibrous Sepiolite from Stevens County, Washington. Mineral News, May, 2006 May Issue |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
USA | |
| Rocks & Min.: 14:112-113. |
| Werner, R., (2006), Fibrous Sepiolite from Stevens County, Washington. Mineral News, May, 2006 May Issue |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
Valley, Stevens County, Washington, USA