Akoya Cultured Pearl Farming in Eastern Australia
Characterizes the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricata fucata mollusks.
Inclusions in Natural, Synthetic, and Treated Ruby
Provides a visual guide to the internal features of natural, synthetic, and treated rubies.
Real-Time Microradiography of Pearls: A Comparison Between Detectors
Compares the image quality provided by real-time microradiographic imaging (RTX) units fitted with two different detectors: an image intensifier (II) and a flat panel detector (FPD).
Accurate Reporting of Key Trace Elements in Ruby and Sapphire Using Matrix-Matched Standards
Presents a group of corundum standards developed by GIA to improve the accuracy and efficiency of its laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) instruments.
Dyed Quartzite Imitation of Ruby-in-Zoisite
Beads appearing to be ruby-in-zoisite are revealed to be dyed quartzite.