National Geographic Society

  • Connect:

Secret History of Gold: Revealed

Johnson Matthey Refinery produces about a ton of gold every day, worth roughly thirty million dollars. Each bar of gold is stamped with an identifying serial number. However, refineries like Johnson Matthey also receive impure gold mixed with silver and copper called dore bars from many different sources.

Check your local listings.

Gold's appeal and value span time and cultures, but there is a little-known secret to the story of gold. Most of the gold mined throughout history remains in circulation today -- even the gold closest to your heart may have dark origins. From the Amazon jungle to the markets of Dubai, NGC re-visits the underbelly of the modern gold trade with a treasure hunter and an illegal miner to expose its volatile history.