certainty of origin : Cotype (used for additional information).
author(s) : Neacsu
date of publication : 1970
source : Revue Roumaine de geologie geophysique et geographie ser.geol. (14) No1 p.25
formula : Mg-montmorillonoide
comments about the origin : Lab. Bucarest 1976
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP