certainty of origin : Holotype.
author(s) : Laurent, Picot, Pierrot, Permingeat and Ivanov
date of publication : 1969
source : Bull.Soc.Fr.Min.Crist.(92) p.38-48
formula : TlFeS2
comments about the origin : Picot 1970
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP