That’s unfortunate because zircon is a beautiful colored stone with its own fair share of folklore and charm. In the Middle Ages, this gem was thought to induce sound sleep, drive away evil spirits, ...

That’s unfortunate because zircon is a beautiful colored stone with its own fair share of folklore and charm. In the Middle Ages, this gem was thought to induce sound sleep, drive away evil spirits, ...

December has three birthstones: tanzanite, turquoise and zircon. Of the three, tanzanite is relatively new to the world of gems. According to the Geological Institute of America, the stone was ...

Then colleagues in Australia used methods developed in metals mining to analyse the fragments of stone: grains of zircon, apatite and rutile in the fragments all contain uranium, which slowly ...