author(s) : Palache, Bauer and Berman
date of publication : 1938
source : Am.Min.(23) p
formula : 527-530
comments about the origin : (Mn,Zn)16Sb2Si4O29
catalog number(s) : Musee d'Harvard (Frondel) 1977
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP