author(s) : Meixner
date of publication : 1953
source : Fortsch.Min.(31) p.39 (1952) et Berg.und Huett.Monatsch.(98) p.86
formula : Ca4B10O19 20H2O
comments about the origin : etiquette Paar No925 ech.Meixner 1978 ("materiel original de Meixner 1952")
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP