author(s) : Babington
date of publication : 1805
source : Phil.Trans. p.162
formula : Al3(PO4)2 (OH)3 5H2O
comments about the origin : coll.generale No405 obtenu par Wavell 1818
catalog number(s) : 18358
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP