author(s) : Kuehn and Roese et Gaertner
date of publication : 1962
source : Kali und Steinsalz (3) p.285
formula : CaB3O5(OH)
comments about the origin : Kuehn par Heidelberg (Berdesinsk) 1973
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP