by Richard W. Hughes

The story of Richard Hughes' four-decade adventure with jade, from Burma's jadeite mines to China's classic mutton-fat nephrite deposit at Hetian, Xinjiang Province. The work of China's modern jade carving masters is also discussed.

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by E. Billie Hughes
Gems & Gemology Lectures

Lotus Gemology's gemologists have lectured extensively about a wide variety of gemological topics including ruby, sapphire, jade, and more.

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by Richard W. Hughes & Eric J. Hoffman
Jade Books • Collecting the Literature of Jade • Hidden Treasure

A discussion of the literature of jade, with particular emphasis on the most collectable books covering both Chinese jade and jade around the world.

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by Richard W. Hughes, Auslan Ishmael, Flavie Isatelle & Peter Wang
Laos Sapphires • Laos – Land of a Million Elephants... & Sapphires

The history of the Lao sapphire mines at Ban Huay Xai is detailed, along with modern mining by Hong Kong based Sino Resources Mining Corp. Ltd. from 2006–2012.

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by E. Billie Hughes
Six-Rayed Star in Sapphire from Myanmar

A Burmese sapphire shows a celestial scene both externally and internally.

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by E. Billie Hughes
Mogok Ruby With Remarkable Twinned Calcite Inclusion

An included calcite crystal within an unheated Burmese ruby displays dramatic twinning planes.

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by E. Billie Hughes
Sapphire With Growth Tube Cluster • Sapphire Inclusions

Surface-reaching growth tubes in a sapphire provide insight into the gem’s origin and treatment history.

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by E. Billie Hughes
Oiled Ruby: A Remarkable Visual • Ruby Inclusions

A ruby’s surface-reaching cavity is filled with red oil.

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by Richard W. Hughes
Crystal Optics • Gem and Crystal Optical Properties • Lotus Gemology

The optical properties of crystals are intimately related to their crystal structures. This article examines the precise relationship between optic character and sign and crystal structure.

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by E. Billie Hughes
A Sapphire's Secret

At the Lotus Gemology laboratory in Bangkok, we often get parcels of relatively uniform stones. But sometimes it is in this routine testing that we uncover surprises.

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