author(s) : Pabst, Sawyer and Switzer
date of publication : 1955
source : Bull.Geol.Soc.Amer.(66) p.1658-1659
formula : Na3(SO4)(F,Cl)
comments about the origin : Pabst 1973
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP