Research Article Search Results
Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted?
YAG with Flux-Filled Fingerprints
The author recently examined a 3.58 ct yellowish green yttrium aluminum garnet, a manufactured product known in the trade as “YAG,” that contained numerous large flux-filled fractures.
New Emerald Locality in Southern California
Located about 60 miles east of San Diego, a new emerald deposit has been discovered in the Julian Mining District.
Vibrantly Colored Gems
Bill Larson of Pala International reports a very strong AGTA Tucson show.
An Interesting Rose Quartz from Madagascar
A new find of rose quartz from Madagascar contained some unusual inclusions.
“Diffusion Ruby” Proves to be Synthetic Ruby Overgrowth on Natural Corundum
A relatively new production of red corundum, reportedly from Bangkok, has been offered for sale in recent years.
Microscopic Shells in Natural Pearls from Pinctada radiata
Two pearls from Bahrain containing minute shells are examined at GIA’s Mumbai laboratory.

“Electronic Device” in an Atypical Bead Cultured Pearl
GIA’s Hong Kong laboratory looks at a new radio-frequency identification (RFID) technology for tracking cultured pearls.




