Gems and precious stones of North America :
Kunz, George Frederick 1856,
Gems and precious stones of North America : a popular description of their ocurrence, value, history, archaeology and of the collections in which they exist, also a chapter on pearls and on remarkable foreign gems owned in the United States / by George Frederick Kunz ; with a new introduction by Edward Olsen - 2 # ed. augm. - 367 páginas
0486218554
Gemas
Perlas
Piedras preciosas
TS752 / K84 1968
Gems and precious stones of North America : a popular description of their ocurrence, value, history, archaeology and of the collections in which they exist, also a chapter on pearls and on remarkable foreign gems owned in the United States / by George Frederick Kunz ; with a new introduction by Edward Olsen - 2 # ed. augm. - 367 páginas
0486218554
Gemas
Perlas
Piedras preciosas
TS752 / K84 1968