certainty of origin : Holotype.
author(s) : Pierrot, Toussaint and Verbeek
date of publication : 1965
source : Bull.Soc.Fr.Min.Crist.(88) p.132-135
formula : Ba(UO2)3 (OH)4 (SeO3)2 3H2O
comments about the origin : Pierrot 1967
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP