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.
In search of Thailand's last ruby miner.
A look at the geology of Myanmar's Mogok Stone Tract, home to pigeon's blood rubies and so much more…
A 2006 mission to remote ruby and spinel localities in Tajikistan.
In search of ruby and sapphire on the lost Isle of Madagascar.
An over-and-underground look at the tanzanite mines of Merelani.