author(s) : Milton, Axelrod and Grimaldi
date of publication : 1955
source : Bull.Geol.Soc.Amer.(66) p.1597
formula : (Ba,Ca)2 (BOOH)3 SiO4
comments about the origin : Milton 1974
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP