certainty of origin : Donated directly by the Author.
author(s) : Lacroix
date of publication : 1905
source : Bull.Soc.Fr.Min.Crist.(28) p.198
formula : 4MgCO3Mg(OH)2 4H2O (?)
comments about the origin : Museum d'Histoire Naturelle 1963 (No112542)
catalog number(s) : 13296
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP