Research Article Search Results

Phenomenal Emeralds from Chitral, Pakistan

Beryl from Newfoundland, Canada
Beryl and emerald specimens from a recent discovery in Newfoundland are examined at GIA.

Quarterly Crystal: Diamond in Diamond
Examination of a South African diamond reveals an eye-visible diamond inclusion.
The Appeal of Non-Nacreous Pearls
Several vendors offered a variety of impressive non-nacreous pearls at the Tucson gem shows.

Rose Channels in Ruby

Iridescent Imitation Pearl

Large CVD-Grown Diamond Resubmitted after HPHT Treatment

Trigon Party on a Diamond

An Exceptional Cat’s-Eye Emerald
The Lengthy Vertical Journey of Superdeep Diamonds
Explores the journey of superdeep diamonds to the earth’s surface.
CVD with “Ancient Text” Clouds
A CVD-grown diamond exhibits an interesting clarity characteristic.
Unusual Inclusions in Natural Emerald from Chivor
Tubular three-phase inclusions are observed in a Colombian emerald.




