Multiphase Fluid Inclusions in Blue Sapphires from the Ilmen Mountains, Southern Urals
Sapphires from Russia’s Ilmen State Reserve may provide insight into gem corundum from secondary placers.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Sapphires from Australia
An overview of Australia's recent significance in the production of blue sapphire.
Texas Topaz, Slovak Opal, a Beryl Inclusions Chart, and More
37th International Gemmological Conference
A report from the 37th IGC, held in late October 2023 in Tokyo.
Fall 2023 Auction Highlights
Large blue and pink diamonds were among the top lots of the fall auction season, including the most expensive auction jewel of 2023.
G&G Contributors Awarded for Best Geoscience Research
In Memoriam: Heitor Barbosa
A Unique Omphacite Jade Pendant
More on Virtu Gem’s Ethical Supply Chain Practices
An update on Virtu Gem’s mission to improve artisanal mining and gem trading practices in Kenya, Malawi, and Zambia.
Visible Absorption Spectra of Colored Diamonds
Tucson: A Showcase of Colored Gemstone Innovation
Afghan Emerald, Tajik Ruby, and Clarity-Enhanced Tourmaline
Suspended Crystal in Red Spinel
Exceptional Red Spinels and Fine Aquamarine
Fine Corundum, Demantoid Garnet
Yellow Mn-rich Tourmaline from the Canary Mining Area, Zambia
Ginger Garnet, “Fancy” Tanzanite
High-End Colored Gems
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