Heulandite-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. |
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. |