author(s) : Watanabe, Kato, Ito, Yoshimura, Mamoi and Fukuda
date of publication : 1963
source : in Appendix to the Second Edition of "An Index of Mineral Species Arranged Chemically" (M.Hey, London, British Museum p.57 et 104)
formula : Sr2V2O2(Si4O12)
comments about the origin : etiquette Geological Institute University of Tokyo ("collector Y.Yoshimura") Watanabe 1982
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP