Summer 1989 G&G Lab Notes
"Coated" Diamond
Diamond Cube with Cloud-Like Inclusion
Fancy Intense Yellow Diamond with a Green Irradiation Stain
Irradiated Diamond Rough
Emerald with Plastic-Like Filling
Imitation Lapis Lazuli
X-ray Transparency Separates Two Lapis Lazuli Imitations
Cherrystone Clam "Pearl"
Natural Color Ruby
An Unusual Zircon
To view the full section, download the PDF above.
