Al+3 and Si+4 are randomly distributed as are SO4-2 and bent S3- radicals. Ca+2 occasionally occupies a Na+ site.
    Coordinates from Cryst. Reports (2002) 47, 404-407 and formula from Amer. Min. (2021), 106, 226-234.
    This page created by George Lisensky, Beloit College.
    Last modified July 23, 2021.

    Back