Colour plates from “Gems and precious stones of North America” (1890) & “History of the gems found in North Carolina” (1907) by George Frederick Kunz, (1856-1932).

“A popular description of their occurrence, 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, illustrated with eight colored plates and numerous minor engravings.”