Geologist Debapriya Rakshit and experienced miner Richard Kapeta uncovered the impressive 5,655-carat emerald inside the largest open-pit mine in Kagem, which is partially owned by Gemfields — a ...

Known from just a single location, a new species of mineral has been described from the UK. A sample of rock that was collected from a mine in Cornwall some 220 years ago has turned out to be an ...

A glittering crystal shower of green, emerald-like gems is falling like rain onto an infant star from the clouds surrounding it, a new study finds. The discovery may explain why similar crystals have ...