Offretite from Rocky Mountains, North America
USA | |
| Rocks & Minerals 79:4 |
Wilson, Wendell E. (1988) Notes From the Editor - Minerals of Cornwall. The Mineralogical Record, 19 (3) 138-207 | |
| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |
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| Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID. |