Research Article Search Results

Staurolite in Ruby

Read more

Gems & Gemology at Ninety: Consistency and Change

Read more

Unusual Pink Sapphire Bead

Read more

Bicolor Double-Eye Tourmaline

Read more

Faceting Large Gemstones

Read more

Curves and Optics in Nontraditional Gemstone Cutting

Read more

Dumortierite-Quartz Rock Presented as Sapphire

The Gem Testing Laboratory of Jaipur, India, received for identification an opaque blue specimen, submitted as sapphire.

Read more

Burmese Jade: The Inscrutable Gem

Read more

Introduction to the Micro-World of Gems

Read more

Amber with Mite Inclusion

An unusual mite is preserved in a 30-million-year old amber specimen.

Read more

Apatite “Piñata”

A cracked apatite specimen reveals hidden treasure.

Read more

Beyond Beauty: A Garnet Necklace Decoded

Read more

PreviousPage 36 of 133Next

You Might Also Like

YMAL AJP
AJP®: New 5-Day Program Offered Worldwide
Learn About NextGem
GIA NextGem™ Diamond Training for Retail
Explore GIA Laboratory Promotional Offers
Explore GIA Laboratory Promotional Offers
Shop the GIA Store
Shop the GIA Store