certainty of origin : Unknown type and origin.
author(s) : Adam
date of publication : 1869
source : Tabl.Min.p.39
formula : arsenopyrite+dyscrasite
comments about the origin : coll.Adam No3870 (echantillon analyse par Rammelsberg)
catalog number(s) : 8588
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP