author(s) : Shepard
date of publication : 1870
source : Rural Carolinian (1) p.471
formula : (NH4)2 (C2O4)H2O
comments about the origin : etiquette Bertrand coll.Adam No2755 obtenu par Bertrand 1876 (envoi de Shepard)
catalog number(s) : 25573
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP