author(s) : Maskelyne
date of publication : 1871
source : Chemical News, (24) p.99
formula : (Cu,Fe)Fe3(OH)2 (PO4)3
comments about the origin : Fragment de l'original - Coll.Geol.Survey, London, 1955
catalog number(s) : 17076
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP