author(s) : Lacroix
date of publication : 1923
source : Mineralogie de Madagascar (3) p.311-312
formula : var. de thortveitite
comments about the origin : S.C.E.M. ech. Museum d'Histoire Naturelle 1970 <Catalog number : 21612>(etiquette Lacroix Museum No136281) + (No Museum 124344)<Catalog number : 21607>
catalog number(s) : 21612,21607
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP