Dislocation Chain in Oregon Sunstone
A decorated dislocation chain encountered in Oregon sunstone follows an interesting rectangular pattern.
Blue Spodumene
Raman analysis helps to confirm the identification of a rare and lovely large blue spodumene.
Dramatic Color Zoning in Alexandrite
A gem cutter’s thoughtful design enhances the natural color zoning in an 8.55 ct alexandrite.
Staurolite in a Mozambique Ruby
Apatite in Blue Sapphire
A Sri Lankan star sapphire delights with an apatite crystal floating over a cloud of rutile silk.
Fascinating Fluid Inclusions in Chinese Ruby
Fluid inclusions resembling a snake and a fish are discovered in two rubies from the Yuanjiang deposit in China.
GIA Library and Museum Facebook Group
The GIA Library and Museum launch a Facebook group to encourage lively discussion among bibliophiles, museum curators, and gem enthusiasts.
Honey Brown and Light Yellow Hydrogrossular: An Uncommon Jade Imitation
Mabe Cultivation in Mayotte
Laboratoire Français de Gemmologie (LFG) receives several assembled cultured blister samples from Mayotte for gemological characterization.
Pink Aventurine Quartz with Alurgite Inclusions
Parisite Crystals in a Colombian Emerald
Tourmaline in Paraíba Tourmaline
Winter 1984 G&G; Lab Notes
Spring 1996 G&G Lab Notes
This section, from the Spring 1996 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1997 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Spring 1997 G&G; Lab Notes
This section, from the Spring 1997 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
.jpg "YMAL GIA Ed")
