author(s) : Cesbron and Vachey
date of publication : 1971
source : Bull.Soc.fr.Min.Crist. (94) p.49-54
formula : V2O4 4V2O5 12H2O
comments about the origin : Sorbonne 1971
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP