author(s) : Correia Neves, Lopew Nunes and Sahama
date of publication : 1974
source : Contr.Min.Petr.(48) p.73
formula : (Hf,Zr)SiO4
comments about the origin : Correia Neves et Lopez Nunes 1974
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP