An agate gemstone unearthed in Brazil has gone viral for its striking resemblance to Cookie Monster of "Sesame Street" fame. A geologist in California says he's received multiple offers of $10,000 for ...

It’s the tomb that keeps on giving. More than two years since its discovery, a treasure-filled Greek tomb has offered up perhaps its most significant find to date: a Minoan stone carving so ...

Agate is a type of microcrystalline quartz that is characterised by its fine grain and vibrant colours. Agate is known for its banded appearance, with alternating layers of different colours and ...

Dong Guirong teaches students winding techniques on agate gemstones in Xin Barga Right Banner, Inner Mongolia autonomous region, in August last year. CHINA DAILY Despite being partially sighted, Dong ...