author(s) : Stromeyer
date of publication : 1819
source : Annalen der Physik (61) p.185
formula : Ca4MgH2(AsO4)4 11H2O
comments about the origin : obtenu par le Museum d'Histoire Naturelle No95497
catalog number(s) : 18130
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP