author(s) : Curien, Guillemin, Orcel and Sternberg
date of publication : 1956
source : C.R.Acad.Sci.(242) p.2845-2847
formula : CaO 6Al2O3
comments about the origin : Soebonne 1978
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP