Hydromagnesite from
USA | |
| Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA. |
| Campbell, Ian and Loofbourow, Jr., Johns. (1962) Geology of the Magnesite Belt of Stevens County, Washington, Contributions to Economic Geology, USGS Bulletin 1142-F: 40-41. |