author(s) : Watanabe, Kato, Matsumoto and Ito
date of publication : 1963
source : Proc.Jap.Acad.'39) p.170
formula : Mn3(BO3)2
comments about the origin : 1) etiquette Geol.Institut,Univ. de Tokyo Watanabe 1964 <Catalog number : 17917>
. 2) Watanabe 1968 <Catalog number : 20011>.
catalog number(s) : 17917,20011
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP