Thomsonite-Ca from
Canada | |
| Van Velthuizen et al. (2006). Min. Record 37, 283 |
| Van Velthuizen et al. (2006) Mineral. Record 37, 283 [locality 48] Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
| GOLD, D.P. (1972): The Monteregian Hills: ultra-alkaline rocks and the Oka carbonatite complex. 24th International Geological Congress (Montreal), Guidebook B-11. |