author(s) : Schaller, Vlisidis and Mrose
date of publication : 1965
source : Am.Min.(50) p.629
formula : Mg2B12O20 15H2O
comments about the origin : Eadie 1970
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP