author(s) : Protas
date of publication : 1964
source : Bull.Soc.Fr.Min.Crist.(87) p.365
formula : K2U6O19 11H2O
comments about the origin : Sorbonne 1965
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP