author(s) : Dana
date of publication : 1868
source : System of Mineralogy 5e Ed. p.795
formula : Mg3(PO4)2 8H2O
comments about the origin : Coll.Adam No4401 par Bertrand 1876 (envoi de Bobierre)
catalog number(s) : 18019
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP