Laumontite from
USA | |
| Rocks & Minerals 79:4 |
Wilson, Wendell E. (1988) Notes From the Editor - Minerals of Cornwall. The Mineralogical Record, 19 (3) 138-207 | |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |