delhayelite

certainty of origin : Donated directly by the Author.

author(s) : Sahama and Hytoenen

date of publication : 1959

source : Mig.Mag.(32) p.6

formula : (Na,K)10 Ca5Al6Si32O80(Cl2,F2SO4)3 18H2O

comments about the origin : Sahama 1967

Return to the Type or Author's Specimen Catalog

This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.

(C) BRGM, ENSMP

Web implementation : rm