Letters: Analysis of Three-Phase Inclusions in Emerald
A response to the Summer 2014 G&G article on three-phase inclusions in emerald.
Overview and commentary on the 2014 Optics & Photonics News article “Diamond Raman Lasers”.
Using Conventional Equipment to Separate Natural from Synthetic Ametrine
A summary of the article “A simple approach to separate natural from synthetic ametrine”, by Francine Payette.
What Possesses Bidders at Auction? This Article Offers Some Clues
Overview and commentary on the 2013 Rocks & Minerals article “The Heritage Auction of the Hoppel Collection”.
A Glimpse into the Russian Diamond Trade
Overview and commentary on the 2013 Russian Diamonds and Jewellery article “New Reality of the Russian Jewellery Market”.
Distinguishing Between Natural and Synthetic Green Chrysoberyl
Overview and commentary on the 2013 Journal of Gemmology article “Natural and synthetic vanadium-bearing chrysoberyl”.
Beryllium in Blue Sapphires, Both Natural and Diffusion-Treated
Overview and commentary on the 2013 InColor article “Blue Sapphires and Beryllium: 'An Unfinished World Quest'”.
Challenges in Orienting Alexandrite: The Usambara and Other Optical Effects in Synthetic HOC-Grown Russian Alexandrite
Overview and commentary on the 2013 Journal of Gemmology article “Synthetic alexandrites grown by the HOC method in Russia: Internal features related to the growth technique and colorimetric investigation”.
Titanium-bearing synthetic alexandrite and chrysoberyl
Overview and commentary on the 2013 Journal of Gemmology article “Titanium-bearing synthetic alexandrite and chrysoberyl.”
Ammolite: an organic jewel
Overview and commentary on the June 2013 Rock & Gem article, “Ammolite: an organic jewel”.