Crystallographic Orientation of Biogenic Aragonite in Pearls

Ren Lu

April 8, 2009

Download PDF

Explores the potential of laser Raman spectroscopy for material identification in pearls as well as determining the orientation of their biogenic mineral growth.

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

Crystallographic Orientation of Biogenic Aragonite in Pearls

You Might Also Like

Join Us atConverge

Learn About Education On Campus and Online

Explore GIA Laboratory Promotional Offers

Shop theGIA Store

Join Us at
Converge

Shop the
GIA Store