author(s) : Friedel
date of publication : 1866
source : C.R.Acad.Sci.(62) p.692
formula : Zn2(OH)AsO4
comments about the origin : Coll.Adam No4184 (etiquette Louis Saemann)
catalog number(s) : 16976
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP