Tourmalines from Madagascar documentary of Patrick Voillot

The aquamarine road documentary of Patrick Voillot

The Emerald of Colombia documentary of Patrick Voillot

World's greatest treasure: crystals and gemstones | FULL DOCUMENTARY

Madagascar : la vallée maudite du saphir | ARTE Reportage

Ametrine from Bolivia documentary of Patrick Voillot

The dirty business of beauty | DW Documentary

The Organic Gold Hunters of the Himalayas | Free Documentary

Burma: Gem Adventure of a Lifetime

The secrets of the Bust of Nefertiti

Diamonds from Guinea documentary of Patrick Voillot

Tanzanite from Tanzania documentary of Patrick Voillot

Three Precious Gems: Rubies, Emeralds, Sapphires

THE FILM !!! "MOGOK : THE LEGENDARY VALLEY OF RUBIES AND THE KING OF MOGOK CRYSTAL"

Colombia: the king of emeralds

Strain Hunters: Thailand Expedition FULL DOCUMENTARY

Field Gemology in Northern Madagascar

Gem Collector - Mozambique

GRS Gemresearch Documentary: A Journey to Mogok