author(s) : Capdecomme and Pulou
date of publication : 1954
source : C.R.Acad.Sci.(239) p.288
formula : Ca(Al,Fe)3 (OH)3 O(PO4)2 2H2O
comments about the origin : Capdecomme 1967
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP