Research Article Search Results

A Multicore Non-Bead Cultured Pearl
A non-bead cultured pearl with six cores is discovered in a large lot of pearls submitted to the Mumbai laboratory.

Interesting Metallic Platelets in Morganite
Skeletal formations of metallic reflective thin films are observed in a pinkish orange morganite.

Mineral Assemblage of “Paraíba Matrix”
The contents of two “Paraíba matrix” samples are analyzed.

Helvine Inclusions in Morganite
An orangy pink morganite specimen from Madagascar contains hundreds of yellow helvine crystals aligned on a single plane.

Fireworks Display in Russian Emerald
The inclusion scene in a Russian emerald resembles fireworks illuminating a night sky.
Almandine Garnet from Phu Tho, Vietnam
Reports on the study of garnet samples from a source in northern Vietnam.

Irradiated HPHT-Grown Diamonds with Blue-Green Color Zonation
The Carlsbad laboratory reports on two HPHT-grown diamonds with interesting sector-dependent color zonation.

Zoned Trapiche Emerald with Goshenite Overgrowth
A 12.62 ct trapiche emerald with areas of goshenite is analyzed in GIA’s Tokyo laboratory.

Arzakite Inclusion in Ruby from Mogok
A report on the first documented arzakite inclusion in a Mogok ruby.

Colored Bands in CVD-Grown Diamond
A CVD-grown diamond submitted to the Surat laboratory exhibits a growth remnant appearing as a colored band.


Gemfields Emerald and Ruby Auctions
An inside look at the mid-2024 offerings from the Gemfields emerald and ruby auctions.




