certainty of origin : Holotype.
author(s) : Cesbron, Ginderow, Sichere and Vachey
date of publication : 1979
source : Bull.Min. (102) p.348
formula : CuAlCl(SO4)2 14H2O
comments about the origin : Mission SCEM (Service de Conservation des Especes Minerales) Aubert 1961
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP