author(s) : Geier and Weber
date of publication : 1958
source : Neues Jahrb.Min.Monatsch. p.160
formula : Zn3(AsO3)2
comments about the origin : Geier et Weber par Strunz 1965
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP