author(s) : Pabst, Gross and Alfors
date of publication : 1967
source : Am.Min.(52) p.336
formula : Ca3(Si3O9)H2O
comments about the origin : Alfors 1966
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP