Research Article Search Results

The Responsible Jewellery Council (RJC) has announced plans to include colored stones and silver in the next revision cycle for its Code of Practices, which RJC members are certified against.

艾丽卡·考特尼数十年来一直为好莱坞明星打造红毯造型。她对色彩的敏锐感知和展现宝石之美的能力显而易见。

一支抒情的舞蹈：时而一个大踢腿，大胆闪烁着丰富的色彩，时而是细碎的舞步，闪现出星星点点的光芒。

A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

Chatoyancy, rarely seen in play-of-color opal, is observed in Ethiopian material.

A rare Tasmanian trapiche-type sapphire, found during a field expedition, is examined.

Explores statistical data and defining characteristics of gem-quality CVD synthetic diamonds examined by GIA since 2003.

Analyzes the gemological and geochemical characteristics of peridot from the Gia Lai province alongside specimens from other localities to gain insight into its formation.

Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.

Reports on exceptionally rare trapiche-patterned rhodochrosite from the famed Capillitas mine in Argentina.

Documents the retrieval and testing of P. maxima cultured pearls from a Lombok hatchery.