Gem hunting, or rock hounding, is a fascinating hobby that allows people to find rare rocks and stones from amethyst and ...

Archaeologists discovered the engraved gemstone at Bremenium, a fort north of Hadrian's Wall. Excavations at a Roman fort in ...

Ammolite comes from the fossilized shells of extinct squidlike critters called ammonites. Scientists knew the secret to the fossils’ flamboyant appearance lay somewhere in their layers of nacre, or ...

Despite the shortages, factories in Ganzhou, the “rare earth capital ,” are in no danger of running out of raw material. In ...

The global contest for rare earth minerals has entered a new, more urgent phase. China continues to leverage its ...