certainty of origin : Holotype.
author(s) : Protas
date of publication : 1957
source : C.R.Acad.Sci.(244) p.2942
formula : (UO2)2 (OH)4 PbO
comments about the origin : Sorbonne 1966
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP