0
Skip to Content
AGL Research & Publications
Research & Publications
AGL Home Page
AGL Research & Publications
Research & Publications
AGL Home Page
Research & Publications
AGL Home Page
No results found
InColor Magazine Precious Braswell 11/15/24 InColor Magazine Precious Braswell 11/15/24

Arzakite inclusion in Ruby from Mogok

Read More
InColor Magazine Precious Braswell 12/31/20 InColor Magazine Precious Braswell 12/31/20

Evolution of Gem-Testing Labs

Read More
InColor Magazine Precious Braswell 1/1/20 InColor Magazine Precious Braswell 1/1/20

ColorCodex™ - A New Tool for the Gemstone and Jewelry Industry

Read More
InColor Magazine Precious Braswell 12/1/13 InColor Magazine Precious Braswell 12/1/13

Cobalt-Colored Composite Sapphires

Read More
InColor Magazine Precious Braswell 3/21/12 InColor Magazine Precious Braswell 3/21/12

Spinel and its Treatments: A Current Status Report

Read More
InColor Magazine Precious Braswell 3/21/10 InColor Magazine Precious Braswell 3/21/10

AGL Discusses the Latest “New” Ruby Heat Treatment Coming out of Thailand

Read More
InColor Magazine Precious Braswell 6/21/09 InColor Magazine Precious Braswell 6/21/09

Lead Glass Filled Ruby Set in Antique Jewelry

Read More
InColor Magazine Precious Braswell 6/21/09 InColor Magazine Precious Braswell 6/21/09

An Exclusive Interview With Christopher P. Smith, President and New Owner of the American Gemological Laboratories (AGL)

Read More
Journal of Gemmology, Corundum, Sapphire, Heat Treatment, InColor Magazine Precious Braswell 6/21/08 Journal of Gemmology, Corundum, Sapphire, Heat Treatment, InColor Magazine Precious Braswell 6/21/08

Colored Gemstone Exchange - the first B2B platform devoted strictly to color

Read More
InColor Magazine Precious Braswell 3/21/08 InColor Magazine Precious Braswell 3/21/08

A Closer Look at Vietnamese Spinel

Read More
Journal of Gemmology, Corundum, Sapphire, Heat Treatment, InColor Magazine Precious Braswell 9/21/07 Journal of Gemmology, Corundum, Sapphire, Heat Treatment, InColor Magazine Precious Braswell 9/21/07

Cr/V-bearing Kyanite from Madagascar

Read More
InColor Magazine, Gems & Gemology Precious Braswell 12/1/02 InColor Magazine, Gems & Gemology Precious Braswell 12/1/02

Chart of Commercially Available Gem Treatments

Read More

©2026 American Gemological Laboratories