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The view of Hogback Road, heading toward the Dust Devil Mine, illustrates the vast beauty of the landscape. - Duncan Pay
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A Sunstone Odyssey, Part 2: The Dust Devil

The "Sunstone Odyssey" series continues with a visit to the Dust Devil mine, a source of rough for many award-winning faceted gems and carvings.

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Open-air Mogok Market
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Mogok Series, Part 2: The Expedition, the Mines and the People

An expedition to Mogok, Myanmar documenting the current state of their ruby mining, markets and cutting industries.

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Traditional Jewelry Manufacturing
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Sri Lanka: From Mine to Market, Part 2

Join GIA field gemmologists and witness firsthand the entire value chain of the Sri Lankan coloured gemstone and jewellery industry, from digging for sapphire in the mud to the glamour of finished jewellery on a fashion model.

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RN Linares CVD
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CVD-Grown Synthetic Diamonds, Part 2: Properties

This article provides a brief overview of the properties of CVD-grown synthetic diamonds.

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Bench Tip 20: Make a Plan to Improve Productivity at Your Workbench
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Bench Tip 2: Make a Plan to Improve Productivity at Your Workbench

This article explains how to make a plan to improve productivity at your workbench.

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RN 152934
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Sapphire Series Part 2: The Next Generation of Sapphire Crystal Growth Techniques

The second in the series, "Sapphire: A Crystal With Many Facets," this article looks at several advanced growth techniques.

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An Update on Color in Gems. Part 2: Colours Involving Multiple Atoms and Colour Centres

This is the second part in a three-part series on the origin of colour in gem materials.

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Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral

Pezzottaite, ideally Cs(Be2Li)Al2Si6O18, is a new gem mineral that is the Cs,Li–rich member of the beryl group.

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The GIA Museum’s “Dreams of Diamonds” exhibit featured more than 4,000 carats of diamonds, and marked the U.S. debut of Alastair Laidlaw and Christine Marsden’s like-named book – a 160-page, 33-lb. tome. Photo by Kevin Schumacher/GIA
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‘Dreams of Diamonds’ Book and Exhibition Celebrate Spectacular Gems

Explore the wondrous world of diamonds in this large book (2 stone 5 lbs and three feet wide when open) and gallery from a past exhibition – that reveals their detail and beauty.

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