Mining Weekly1d
New report highlights lack of transparency in coloured gemstone industry
A new report from coloured gemstones miner Gemfields on the emerald, ruby and sapphire markets “… serves as a reminder of how ...
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...
Researchers Studied a 11,000-Year-Old Rock Art Motif—and Uncovered a Fascinating Story
Deep in the Colombian Amazon region of Serrania De La Lindosa, a roughly 12-mile stretch of rock is covered in a vast ...
Greek Reporter6d
Holy Grail of Shipwrecks: Treasure Hunters Sue Colombia for $10 Billion Treasure
Colombia Sued by US Treasure Hunters for Share of San José Shipwreck, Potentially the Largest Maritime Treasure in History.
Hosted on MSN6d
Colombia Launches Legal Defense Against U.S. Company That Claimed A Sunken Treasure Worth Billions
United States treasure hunting firm Sea Search Armada (SSA) is suing Colombia for a share of what may be the largest treasure trove in maritime history ...