author(s) : Ehlmann and Mitchell
date of publication : 1970
source : Am.Min.(55) p.1-9
formula : beta-Be(OH)2
comments about the origin : Specimen d'Ehlmann, etiquette Univ.Min.Geol.Mus.
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP