author(s) : Nordenskioeld
date of publication : 1866
source : Ak.Stockholm, Ofversigt. (23) p.365
formula : (Cu,Tl,Ag)2 Se
comments about the origin : ancien catalogue No11.9056 donne par Nordenskioeld
catalog number(s) : 240
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP