author(s) : Medenbach and Schmetzer
date of publication : 1976
source : Naturwissensch.(63) p.293
formula : V2Ti3O9
comments about the origin : Schmetzer par Bank 1978
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP