author(s) : Moore and Ito
date of publication : 1978
source : Min.Mag.(42) p.137
formula : NaFe9(OH)10 (PO4)6 5H2O
comments about the origin : Moore 1977
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP