|
Canada | |
|
| Tschernich, R. (1992): Zeolites of the World, p.51,170 |
|
| Tschernich, R. (1992): Zeolites of the World, p.52,170 |
|
| Dana 6:A2:40; Amer.Jour.Sci.:12:448(1901). |
|
Germany | |
|
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
|
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
|
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
|
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
|
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
|
| |
|
Italy | |
|
| |
|
USA | |
|
| Tschernich, 1992. Zeolites of the World. |
|
| Mineralogy of Michigan (2004) Heinrich & Robinson |
|
| www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf. |