certainty of origin : Donated directly by the Author.
author(s) : Adam
date of publication : 1869
source : tabl.Min.p.59
formula : (Hg,Zn)(S,Se)
comments about the origin : 1) coll.Adam No5401 obtenu par Bertrand en 1875 <Catalog number : 7378>
. 2) coll.Adam No5402 obtenu par Bertrand en 1879 <Catalog number : 286>.
catalog number(s) : 7378,286
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP