author(s) : Vernon
date of publication : 1829
source : Phil.Mag.(5) p.178
formula : Al14(CO3)3 (OH)36
comments about the origin : Goodyear 1966
catalog number(s) : 18289
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP