Citation: Doebelin, N.; Armbruster, T. (2003). Stepwise dehydration of Sr-exchanged heulandite: a single-crystal X-ray study. American Mineralogist, 88, pp. 527-533.
Formula: Al8.96 H34.32 O89.16 Si27.04 Sr4.56
Chemical name:Sr4.56 (Al8.96 Si27.04 O72) (H2 O)17.16