Tiffany gemologist George Kunz was instrumental in the adoption of this unit as the standard weight for gems
[DOC] [TLE] Full text of "Minerals of California: centennial volume, 1866-1966" [PAR] 189 GEORGE F. KUNZ (1856-1932) George Frederick Kunz was a ... than a half-
century, was the gem expert for Tiffany and Company, New York.