Abstract Zeolites are crystalline, hydrated aluminosilicates of alkali and earth metals that possess infinite, three dimensional crystal structures. They are further characterized by an ability to lose and gain water reversibly and to exchange some of their constituent elements without major change of structure. Zeolites were discovered in 1756 by Freiherr Axel Fredrick Cronstedt, a … Continua a leggere Germination Of Vegetable And Grassland species With Micronized chabazitic-Zeolites And Endophytic Fungi.