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Book of Ruby & Sapphire (2012) • J.F. Halford-Watkins

Book of Ruby & Sapphire (2012) • J.F. Halford-Watkins

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01 January 2012

The Book of Ruby and Sapphire J.F. Halford-Watkins  |  2012 Prior to the 1930s, ruby and sapphire were mysteries, arcane gems oft-confused with spin...

Burma Ruby • Pigeon's Blood • Mogok Stone Tract

Burma Ruby • Pigeon's Blood • Mogok Stone Tract

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01 May 1996

The author makes his first pilgrimage to Burma's Mogok Stone Tract, home of the pigeon's blood ruby.

Burma's Jade Mines • Heaven & Hell

Burma's Jade Mines • Heaven & Hell

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01 April 1997

An account of the authors' 1997 visit to Burma's jade mines.

Burmese Jade Mines • Tracing the Green Line

Burmese Jade Mines • Tracing the Green Line

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01 August 1996

In 1996, several gemologists set off for Burma's remote jade mines, the first visit by foreigners since the early 1960's. This is the story of their epic journey.

Burmese Sapphire Giants • Large Burma Sapphire

Burmese Sapphire Giants • Large Burma Sapphire

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01 October 1995

A brief history of Burmese (Myanmar) sapphires, along with details of some of the major pieces of yore.

Buying Gems at the Source • Dick's Law

Buying Gems at the Source • Dick's Law

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10 May 2010

An essay on buying gems at the source in Asia, with a discussion of how con men play on the greed of those who believe gems will be cheaper at the mines.

Chinese Jade • Guangzhou Jade Market Puzzle

Chinese Jade • Guangzhou Jade Market Puzzle

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01 September 2012

An investigation into nephrite and imitation nephrite pebbles purchased in Guangzhou, China's Hualin Street jade market.

Emerald & Alexandrite from Russia • A Closer Look

Emerald & Alexandrite from Russia • A Closer Look

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01 September 2006

A brief look at the famous emerald and alexandrite from Russia's Ural Mountain mines.

Emerald • Opticon Treatment • Cloak and Dagger

Emerald • Opticon Treatment • Cloak and Dagger

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01 October 1998

The Opticon treatment of fissure-filling treatment emeralds with Opticon became an issue of huge controversy in the late 1990's. This article takes a ...

Gem Books • Gemology Books • Jewelry Books • The Gemologist's Core Library

Gem Books • Gemology Books • Jewelry Books • The Gemologist's Core Library

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01 January 1998

A curated list of the most important books on gems, gemology, jewelry, mineralogy and allied fields.

Gem Hunting in Mahenge & Tunduru Tanzania • Downtown

Gem Hunting in Mahenge & Tunduru Tanzania • Downtown

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01 April 2008

Since the late 1960's, East Africa has been home to some of planet earth's greatest gem discoveries. And yet, little has been written about certain of...

Gemology, Mineral and Jewelry Links • Axis of Interest

Gemology, Mineral and Jewelry Links • Axis of Interest

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01 November 1998

Links to websites related to gemology, gemstones, minerals and jewelry.

History of Chanthaburi & Pailin • Moontown

History of Chanthaburi & Pailin • Moontown

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01 June 2010

The Thai city of Chanthaburi (จันทบุรี) may be small, but it has played an important role in both the history of Thailand and the gem trade. Taking it...

Introduction to Infrared Spectroscopy (FTIR) in Gemology

Introduction to Infrared Spectroscopy (FTIR) in Gemology

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01 April 2007

The use of Fourier-Transform Infrared Spectroscopy (FTIR) in gem identification, with examples of sapphire & jadeite.

Lao Sapphire • Max Green, Ted Doyle, Gary Shugg • Looted Millions • Love & Hate

Lao Sapphire • Max Green, Ted Doyle, Gary Shugg • Looted Millions • Love & Hate

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01 January 2002

When Max Green set about looting trust fund accounts in Australia, he had no idea it would lead to a sapphire mine in Laos… and a dead body in Cambodia.

Last Thai Ruby Miner • Red Sky at Dusk

Last Thai Ruby Miner • Red Sky at Dusk

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21 July 2009

In search of Thailand's last ruby miner.

Madagascar Ruby & Sapphire • Sorcerers & Sapphires

Madagascar Ruby & Sapphire • Sorcerers & Sapphires

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01 December 2005

In search of ruby and sapphire on the lost Isle of Madagascar.

Mike Roberts • Roberts Yogo Sapphire Mine • In Memoriam

Mike Roberts • Roberts Yogo Sapphire Mine • In Memoriam

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21 March 2012

In a tragic underground cave in, Mike Roberts of the Roberts Yogo Sapphire Mine passed away in March 2012.

Padparadscha Sapphire from Sri Lanka • A History • Ownership of Words

Padparadscha Sapphire from Sri Lanka • A History • Ownership of Words

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15 June 2013

A discussion of the definition of padparadscha sapphire, from early to modern times, along with the difficulty in standardizing such definitions.

Ruby & Sapphire (1997) • Burma (Myanmar) Ruby & Sapphire

Ruby & Sapphire (1997) • Burma (Myanmar) Ruby & Sapphire

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01 January 1997

The chapter on ruby and sapphire from Burma (Myanmar) from Richard Hughes' 1997 book, Ruby & Sapphire.

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