A Gem Worth More Than Gold When people think of expensive gems, diamonds, rubies, or sapphires usually come to mind. But there’s one mineral that can outprice them all: jadeite. This brilliant green stone is so rare and culturally significant that it can sell for millions of dollars per carat. Almost all of it comes … Continue reading Goodbye to gold and platinum—this little-known gem costs hundreds of dollars per carat and is only found in Sri Lanka