certainty of origin : Donated directly by the Author.
author(s) : Termier
date of publication : 1889
source : C.R.Acad.Sci.(108) p.1071
formula : kaolinite+illite
comments about the origin : coll.generale NoM5672(1) donne par Termier 1889
catalog number(s) : 4290
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP