Alliance for Responsible Mining and Mercury Free Mining Field Test Innovative Artisanal Gold Processing System

The recent successful field-test of an innovative system for mercury-free processing of gold ore is a significant advancement in the important effort to safeguard the health and safety and improve economic outcomes for artisanal, small-scale gold miners (ASGM) and their communities.

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Pink Pyrope Garnet

A rare example of pink pyrope garnet is examined in the Carlsbad laboratory.

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“Atypical Beads”: Variations of Two Types of Nuclei

Four atypical bead cultured pearls with variations on two types of nuclei are examined in the Mumbai laboratory.

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Ruby with Interesting Synthetic Overgrowth

Microscopic examination of a ruby at the Carlsbad laboratory reveals synthetic overgrowth indicative of high-temperature heat treatment.

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Zeki Karaca Jewelry: Luxury Pens

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Luminescent Synthetic Garnet-Like Crystals

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New Tourmaline Pockets in San Diego County’s Pala District

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Liberian Ruby

A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.

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Forsterite in a Purple Tanzanian Spinel

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Exceptional Gemstone Acquisitions by the Kreis Family

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Enormous Cat’s-Eye Aquamarine

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Rare Double Pseudomorph Ikaite-Calcite-Opal

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Brenda Smith Jewelry Designs

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Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, the 2023 Tucson Shows, and More…

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YNY Jewels: Designer Surbhi Pandya

Handcrafted jewelry pieces featuring tanzanite carvings stood out at the GJX show.

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Sixth Annual Gianmaria Buccellati Foundation Award Winner

A graduate of GIA’s Jewelry Design program in London is the recipient of the 2022 Gianmaria Buccellati Foundation Award.

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Exceptionally Rare Pearls from ECIJA

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New Find of Petroleum-Included Quartz from Madagascar

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Gemological Characterization of Montana Sapphire from the Secondary Deposits at Rock Creek, Missouri River, and Dry Cottonwood Creek

Examines the mining history and geological characteristics of the three secondary sapphire deposits in the state of Montana, as well as the properties of these sapphires (unheated and heat-treated).

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Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted?

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