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

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.

Color modification is observed in a reddish orange zircon at the Bangkok laboratory.

A bluish violet sapphire shows surprising effects under lab examination.

An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.

Natural moissanite crystals found in Israel have broken world records, with evidence of larger crystals in the area.

Bumble Bee jasper, first discovered on Java, exhibited at the Tucson Gem and Mineral Show.

Review of Franco Cologni’s In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels.

Investigates the presence of fluorescence, rather than iridescence, as the cause of color in blue amber from the Dominican Republic and Indonesia.

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

Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewelry market.