1. Ranciéite from Mazzano Romano (Latium, Italy)
2. Rancieite associated with a karstic bauxite deposit;Bardossy;American Mineralogist,1978
3. Mineralogical investigations on manganese-iron ores from Hesse, Germany;Brannath;Chemie Erde,1992
4. Some stability relations in the system Mn-O2-H2O at 25°C and one atmosphere total pressure;Bricker;American Mineralogist,1965
5. Burns R. G. Burns V. M. (1977) in Marine Manganese Deposits, Mineralogy, ed Glasby G. P. (Elsevier, New York), pp 185–248.