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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.