certainty of origin : Holotype.
author(s) : Caye, Laurent, Picot and Levy
date of publication : 1968
source : Bull.Soc.Fr.Min.Crist.(91) p.383-387
formula : Ag2SnFeS4
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