Chicago Responsible Jewelry Conference
A report on the seventh annual Chicago Responsible Jewelry Conference.
Blackish Green Omphacite Jade from Guatemala
A Guatemalan jade called yongchuliao has gained popularity among Chinese buyers.
Aquamarine with Zigzag Growth Line Inclusions
Zigzag lines are observed only with oblique light in a 55 ct aquamarine.
Diamondiferous Mantle Eclogite: Diamond Surface Features Reveal a Multistage Geologic History
Gübelin Gem Museum Opens in Switzerland
A Newly Discovered Iridescent Andradite from Inner Mongolia, China
An Environmental, Social, and Governance Assessment of Marine Pearl Farming
A look at the sustainability challenges and opportunities facing marine pearl farming using an Australian pearl farm as a case study.
Mining Basalt-Related Gems in Southeast Vietnam
Gems from seven gemstone occurrences identified within the basaltic fields in southeast Vietnam are analyzed.
Shell Blister on an Isognomon isognomon Shell
An Isognomon isognomon shell with a blister feature is examined at GIA in Mumbai.
The Special Color Effect in “Chameleon” Amber
An examination of three Burmese chameleon amber specimens using 3D fluorescence spectroscopy.
Survey of Colored Stone Preferences Among Younger Generations
An online survey assesses current colored stone preferences in consumers under 35.
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