Gems and precious stones of North America a popular description of their occurrence, value, history, archeology, and of the collections in which they exist, also a chapter on pearls and on remarkable foreign gems owned in the United States

George Frederick Kunz 1856-1932

New York Dover Publications 1968

Localização: IGC - Instituto de Geociências    (553.80973 K96g 2.ed. )(Acessar)