certainty of origin : Donated directly by the Author.
author(s) : Adam
date of publication : 1869
source : Tabl.Min. p.40
formula : var.niccolite-breithauptite
comments about the origin : 1)etiquette Berthier, envoye par Krantz a Adam en 1866 (coll.Adam No3938) - 2)envoi de Descloizeaux a Adam en 1877 (coll.Adam No3745)
catalog number(s) : 7614,7605
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP