author(s) : Peng Ch'i Jui
date of publication : 1959
source : Ti-Chih k'o-hsueh (10) p.289 - Semenov, Huan Wen-Sin,Kapitinova, 1961. Dokl.Akad.Nauka, (136) p.915
formula : Ba4(Ti,Nb)8 ClO16(Si4O12)
comments about the origin : Kristansen, 1978 ("cotype du materiel de Semenov")
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP