Lab Notes Gems & Gemology, Spring 2003, Volume 39, No. 1

Spring 2003 G&G Lab Notes


Diamond with Fracture Filling to Alter Color
Intensely Colored Type IIa Diamond with Substantial Nitrogen-Related Defects
Diamond with Unusual Overgrowth
Euclase Specimen with Apatite and Feldspar
"Cherry Quartz” Glass Imitation
Cat’s-Eye Opal
“Blue” Quartz
Heat-Treated Ruby with a Large Glass-Filled Cavity
Play-of-Color Zircon
 
To view the full section, download the PDF above.     

You are being redirected to GIA Alumni Association, LLC.

5