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Man in a hard hat sits in an underground emerald mine.
Article
Geologist’s Newest Mission: Share the Love of Colored Gemstones

African-born colored stone specialist visits America and changes his life forever; finding love, earning GG and starting a new career.

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Recent production of turquoise from Polk County, Arkansas
Turquoise from Western Arkansas

A report on turquoise from the only known U.S. deposit outside of the Southwest.

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Large sunstone rough from the Ponderosa mine in Oregon
Ponderosa Sunstone Update

John Woodmark provides an update on the Ponderosa sunstone mine in Oregon.

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Experimental steps of DNA extraction and purification.
DNA Techniques Applied to the Identification of Pinctada Fucata Pearls from Uwajima, Ehime Prefecture, Japan

Shows how genetic material extracted from small amounts of pearl powder can be a useful indicator of this akoya cultured pearl species.

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Nine “Concho” pearls with a Tampico pearlymussel shell.
Freshwater Natural Pearls from the Concho River, Texas

A rare look at freshwater pearls with a United States origin.

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Map of main aquamarine deposits of northern Pakistan.
Aquamarine from Pakistan

A gemological investigation of the aquamarine that has emerged from northern Pakistan in recent years.

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Indonesian opal cabochons, 6.94 and 3.79 ct.
Opal from West Java, Indonesia

Description of Indonesian opal reportedly from West Java.

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Horn shaped jewel pendant featuring emeralds, rubies, diamonds and pearls, and shows engravings in Arabic.
Article
Centuries of Opulence: Jewels of India

Learn about the journey of gemstones used to create the fabulous Indian jewelry featured in this special exhibit at GIA in Carlsbad.

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Bracelet containing akoya cultured pearls from Australia
Akoya Cultured Pearl Farming in Eastern Australia

Characterizes the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricata fucata mollusks.

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Diaz needs to crouch low as he makes his way through jungle terrain with a backpack on. He wears boots and gloves to protect him on the uncut path.
Article
30-Year Marine Corps Veteran Fulfills Dream of Becoming a Field Gemologist

The rigors and often-harrowing conditions of gemology field expeditions are no match for 30-year Marine veteran with a love of gems.

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