| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 160, 178, 216, 243, 249, 394; Regis, A.J. & L.B. Sand (1967), Lateral gradation of chabazite to herschelite in the San Simon basin (abstract), in S.W. Baily (editor), Clays and clay minerals. Proc. 15th. National Conference Clays and Clay Minerals: 193. |