A Question Concerning Heat-Treated Blue Sapphires

John I. Koivula and Alethea Inns

July 24, 2009

Download PDF

Presents a pattern of gemological characteristics related to certain heat-treated blue sapphires.

Ongoing Research

Explores the usefulness of this technique in the mapping of defects and spectral features, the determination of color origin, and the identification of synthetic and treated diamond melee.

Ren Lu

Jan 9, 2013

Vincent Pardieu and Nirina Rakotosaona

Oct 15, 2012

Elise A. Skalwold, Nathan Renfro, Christopher M. Breeding, and Jim Shigley

Jul 25, 2012

Al Gilbertson and Ilene Reinitz

Jun 13, 2012

Details the sapphire mining and trading situation at this newly discovered deposit, including descriptions of the area's geology and samples observed during the expedition.

Vincent Pardieu, Emily V. Dubinsky, Supharart Sangsawong, and Boris Chauviré

May 2, 2012

A Question Concerning Heat-Treated Blue Sapphires

You Might Also Like

Find a Retailer

Shop the Campus Store

Subscribe to Knowledge Rocks Emails

Learn About Diamond Origin Reports