A look at sapphire around the world, from the jungles of Sri Lanka and Myanmar, to the lofty heights of Kashmir.

A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

Richard Hughes takes viewers to the legendary ruby mines of Mogok, Myanmar.

The lovely padparadscha sapphire is a blend of lotus flower and sunset. Richard Hughes discusses the origin of the term and the difficulty in its definition.

Traditional gemology considers itself a science, but typically omits a key element of the scientific method. And is gemology simply a science, or something more…

An account of Burma's famous jade mines, based on three visits between 1996–2004.

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 these finds. In the autumn of 2007, the authors set out to fill in the gaps, specifically regarding Tanzania's Mahenge, Songea and Tunduru regions.

Richard Hughes explores the nexus between gemology, gem mining and culture, arguing that gemology must become something more than science.

An account of Burma's famous jade mines, based on three visits between 1996–2004.

Richard Hughes explores the nexus between gemology, gem mining and culture, arguing that gemology must become something more than science.

An account of Burma's famous jade mines, based on three visits between 1996–2004.

Richard Hughes details his visits to ruby and sapphire mines in Madagascar and Tajikistan.

A 2006 mission to remote ruby and spinel localities in Tajikistan, and the famous Russian emerald and alexandrite deposits at Malysheva.

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 these finds. In the autumn of 2007, Richard Hughes and friends set out to fill in the gaps, specifically regarding Tanzania's Mahenge, Songea and Tunduru regions.

A survey of the gem mines of Tanzania, including Merelani, Songea and Tunduru, based on Richard Hughes' 2007 trip.