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Crowds of people on the trade show floor.
Article
Typhoon, Trade Wars and Currency Lows Damper Hong Kong Shows

Business at the September Hong Kong Gem and Jewellery Shows was spotty, despite a strong world economy. Buyers left early to avoid Typhoon Mangkhut.

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Red beryl from Utah found on the secondary market
Finds from the Secondary Market

Dave Bindra shows some noteworthy pieces he obtained on the secondary market and shares his thoughts on the state of the colored stones market.

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Small unheated spinel and sapphire exhibited by Madagascar Imports
Unheated and Unusual Colors

Margit Thorndal of Madagascar Imports offers her perspective on the colored stone market.

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 Large open mussel shell with pink interior
Article
Freshwater Pearling in Tennessee

Natural pearl identification is one of the critical problems in pearl research. The DNA study of pearly mollusks and oysters facilitates solving this problem. To fulfill this goal, GIA sent a group from both research and education to Tennessee to sample the freshwater mollusks for DNA bar coding. Come with us to Camden, Tennessee, to see how we dive for pearly shells.

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Rubellite rough.
Tourmaline and Sapphire from Nigeria

An update on Nigerian colored stone production is obtained at the Tucson gem shows.

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“Queen Thai” bracelet with fire opals.
New Designs from Paula Crevoshay

World-renowned jewelry artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.

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Hands holding sapphire
Article
Gem Fossicking: Recreational Mining in Australia

Fossicking is a special type of mining activity that Australians love. Australia is a large country rich in many types of gem resources. Come to Australia with the GIA field gemology team to feel the passion of gem fossicking in the southern hemisphere.

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Fall 2016 Gems & Gemology Cover
Article
Fall 2016 G&G: CVD Synthetic Diamonds Survey, Reversible Color Change in Blue Zircon

A summary of the content found in the Fall 2016 issue of Gems & Gemology.

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Article
Sapphire Mining Along the Upper Missouri River

A GIA team from Education and Lab Services visited the upper Missouri River sapphire deposits in Montana. The first sapphire discovery in the Treasure State, these deposits have been mined for over 150 years. The team witnessed the mining at the richest source, Eldorado Bar, and purchased a mine run to enrich GIA’s corundum collection.

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Attendees ascend an escalator with an expansive view of the Hong Kong Convention Centre.
Article
2016 Hong Kong Show: Demand Slightly Up

Demand for diamonds and colored gems exceeded the expectations of most exhibitors; many reported an improvement from last year’s business.

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