by Richard W. Hughes, with Vincent Pardieu & Dana Schorr
Sorcerers & Sapphires  |  A Visit to Madagascar

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

Read More
by Richard W. Hughes
Under the Hammer  |  Ruby & Sapphire Auction Records

World auction records for ruby, sapphire and spinel.

Read More
by Wilawan Atichat & Richard W. Hughes
Rock talk  |  A Mogok Geology Primer

A look at the geology of Myanmar's Mogok Stone Tract, home to pigeon's blood rubies and so much more…

Read More
by E. Billie Hughes
Mogok

An account of a 2013 visit to Mogok – Myanmar's fairy-tale wonderland.

Read More
by Richard W. Hughes & Vincent Pardieu, with Michael Rogers, Olivier Segura and Philippe Ressigeac
Red Sky at Dusk  |  Hunting the Last Siamese Ruby Miner

In search of Thailand's last ruby miner.

Read More
by Richard W. Hughes & John L. Emmett
Heat Seeker  |  UV Fluorescence as a Gemological Tool

One of the greatest gemological challenges is determining if a ruby or sapphire has been heat treated. UV fluorescence can assist in that identification, as well as detecting fillers in emerald.

Read More
by Vincent Pardieu, with Richard W. Hughes & Edward Boehm
Burmese spinel

Since the turn of the millennium, the price of fine spinel has risen at an incredible pace. No longer simply the poor man's ruby, spinel is finally getting the attention it deserves as one of the world's premier gems.

Read More
by Richard W. Hughes with E. Billie Hughes, Wimon Manorotkul & Dana Schorr
In Search of the Lost Andesine Mines  •  Part II  •  Faith

The mining of natural red andesine in Tibet has been a subject of controversy. This article describes RWH's second visit to the Tibetan deposit.

Read More
by Richard W. Hughes with Ahmadjan Abduriyim, Flavie Isatelle, Christina Iu, Brendan Laurs, Thanong Leelawatanasuk, Li Tong, Lou Li Ping and Young Sze Man
In Search of the Lost Andesine Mines  |  Part I  •  Hunting Barack Osama in Tibet

The subject of andesine in Tibet has been one of controversy since 2008. This article examines the history of the issue, along with detailing an October 2010 visit to the Tibetan andesine deposit.

Read More
by Richard W. Hughes & John L. Emmett
Fluxed Up  |  The Fracture Healing of Ruby

A discussion of the flux-healing treatment of rubies. This article was awarded the Richard T. Liddicoat Journalism Award by the American Gem Society in 2005.

Read More
Back to top