author(s) : Cesbron, Brown, Bariand and Geffroy
date of publication : 1972
source : Min.Mag.(38) p.781
formula : K2CaU6O20 9H2O
comments about the origin : Cesbron 1972
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP