Research Article Search Results

Examination of two CVD synthetic diamonds with an unusual Fancy Dark gray color.

Offers a firsthand look at Sri Lanka’s mining, cutting, jewelry manufacturing, and retail sectors, where tradition and innovation converge.

Overview and commentary on the 2013 The Journal of Gemmology article “Peñas Blancas: An Historic Colombian Emerald Mine."

Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.

A look at the first CVD synthetic diamond examined at GIA that has been irradiated to a blue color.

Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

Review of Diana Scarisbrick’s Rings: Jewelry of Power, Love and Loyalty.

Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.

Review of The Collector's Guide to the Minerals of New York State.

A natural diamond with a CVD synthetic film is examined at GIA's Carlsbad lab.

A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.

Fossilized gastropod shells, trademarked for use in jewelry, are exhibited at the 2014 Tucson gem shows.