certainty of origin : Donated directly by the Author.
author(s) : Hermann
date of publication : 1862
source : Soc.Nat.Moscou Bull.(35) No2 p.240
formula : melange turquoise-coeruleolactite
comments about the origin : coll.Adam No4436 obtenu par Hermann en 1864
catalog number(s) : 18485
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP