Fluorite is sometimes confused with emeralds ... but a naturally formed zirconium silicate mineral. Green stones are ...

On Wednesday, the Perot unveiled Eyes of Africa, the largest and finest specimen of "alien eye" fluorite yet ... wide variety of minerals — 70 in all. "The glow of the green zones was so intense ...

China has reported “prominent results” in its hunt for green-energy minerals, with the Ministry ... while a combined 6.9 million tonnes of fluorite was found in Inner Mongolia in the north ...