No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Beidellite-Saponite Series
Reference List:
Oliver Grauby, Sabine Petit, Alain Decarreau, and Alain Baronnet (1993): The beidellite-saponite series: an experimental approach. European Journal of Mineralogy 5, 623-635.