Guatemalan Jadeite Jade: Rough and Finished
The Lengthy Vertical Journey of Superdeep Diamonds
Explores the journey of superdeep diamonds to the earth’s surface.
New High-Quality Rainbow Moonstone from Madagascar
A new type of transparent moonstone seen in Tucson displays a distinct orange flash effect.
Unusual Inclusions in Natural Emerald from Chivor
Tubular three-phase inclusions are observed in a Colombian emerald.
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.
Carbon Dioxide in a Brown Diamond
Suspended Crystal in Red Spinel
“Sun Spangle” in Amber
Hollandite in Amethyst
A spectacular display of hollandite crystals is captured within an amethyst cabochon.
Distinctive Feather in Diamond
A feather observed in a natural diamond resembles a large reptile.
Cross in Natural Diamond
Treated HPHT Laboratory-Grown Diamond with Dramatic Color Zoning
A Fancy Deep brownish orange treated HPHT-grown diamond exhibits multiple defect concentrations in various growth sectors.
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