author(s) : Weinschenk
date of publication : 1896
source : Zeits.Kryst.(26) p.161
formula : Ca2Al3Si3O12(OH)
comments about the origin : etiquette coll.generale NoM7771(1) don de Weinschenk, 1902
catalog number(s) : 20428
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP