author(s) : Fransolet
date of publication : 1973
source : Bull.Soc.Fr.Min.Crist.(96) p.135-142
formula : CaFe 2 +Fe 3 +(PO4)2 (OH)
comments about the origin : Fransolet 1973
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP