certainty of origin : Holotype.
author(s) : Johan, Picot, Pierrot and Kvacek
date of publication : 1972
source : Bull.Soc.Fr.Min.Crist.(95) p.475-481
formula : CuSe2
comments about the origin : Johan 1975
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP