author(s) : Wendling, Hodenberg and Kuehn
date of publication : 1972
source : Kali und Steinsalz (6) p.1
formula : (Fe,Mg,Mn)3 B7O13Cl
comments about the origin : Wendling 1974
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP