No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Polybasite-M2a2b2c
Reference List:
Bindi, Luca, Michel Evain, Paul G. Spry, and Silvio Menchett (2007) The pearceite-polybasite group of minerals: Crystal chemistry and new nomenclature rules. American Mineralogist, Volume 92, pages 918-925.