Until recently, only emerald, ruby and sapphire were officially called precious gems. Everything else was called semi-precious. The precious categorization is a reference to value: a really fine ruby, ...

Peter Buck, a nuclear scientist who made millions as co-founder of the Subway sandwich chain, has given the Smithsonian's National Museum of Natural History a rare 23.1-carat ruby in memory of his ...

Ruby is celebrated for its vibrant red hue and myriad benefits. Known as the 'King of Gems,' it boosts confidence and vitality, promotes passion and creativity, enhances motivation and drive, improves ...