Research Article Search Results

This synthetic ruby specimen features two growth methods within the same crystal.

Examination of a CVD synthetic diamond with an unusual pattern of growth dislocations that resemble natural inclusions.

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

Examines the internal structure, chemical composition, and spectroscopic features of 22 pen pearls.

Review of Suzanne Ramljak's Unique by Design: Contemporary Jewelry in the Donna Schneier Collection.

Review of Richard Hughes’s Ruby & Sapphire: A Collector’s Guide.

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

Review of Stefano Papi’s Jewels of the Romanovs: Family & Court.

This giant clam pearl was noteworthy for its size and interesting coloration, and its pronounced banding when viewed with transmitted light.

The Indian Gemological Institute’s Gem Testing Laboratory recently examined a 0.30 ct colorless round brilliant-cut diamond containing an interesting inclusion.

Review of Martin Chapman and Amanda Triossi’s The Art of Bulgari: La Dolce Vita and Beyond, 1950–1990.

Review of Paul Koudounaris’s Heavenly Bodies: Cult Treasures and Spectacular Saints from the Catacombs.