author(s) : Moore and Ito
date of publication : 1978
source : Min.Mag.(42) p.309
formula : Ca(Fe,Mn)Mg2Al2(OH)2 (H2O)8 (PO4)4
comments about the origin : Moore 1977 ("type material from Brasil")
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP