Prepare to be dazzled by this shining and sumptuous visual guide to the world's greatest treasures. Feast your eyes on glittering gemstones, kaleidoscopic miner

Dig deep to discover our rocky planet, packed with natural wonders. Earth's extraordinary minerals, gems, shells, and fossils are all on dazzling display in thi

Hughes, of the Asian Institute of Gemological Sciences, Bangkok, looks in detail at all aspects of rubies and sapphires, which, among the most sought after and

Cleaning gems is not as straightforward as would at first appear to be the case. Fred Ward shows how to take care of valuable gems without causing damage. The b

The scandals, mysteries, and human stories behind the world’s greatest gems are brought to life by the curator of the Smithsonian’s National Gem Collection