author(s) : Konev, Uschchapouskays, Kashaev and Lebedeva
date of publication : 1969
source : Dokl.Akad.Nauk.(186) p.917
formula : (Zr,Ca,Ti 3 +,Ti 4 +)4 O7
comments about the origin : Konev 1977 et 1978 ("cotype")
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP