Photo by Chip Clark, courtesy Smithsonian Institution, National Museum of Natural History. Emerald’s lush green has soothed souls and excited imaginations since antiquity. Its name comes from the ...

A hand-held flashlight reveals the green color of a rough emerald from the Coscuez Emerald mine in Colombia. Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral ...

A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the world's most expensive green stone. Sold by Christie's, the Cartier ...

"Home to the warm, emerald waters that the Gulf of Mexico is famous for, this town 50 miles southeast of Mobile entices beachgoers year-round looking to sink their toes into its white quartz sand." ...

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What does 'Last 10' mean? The 'Last 10' information shows this horse's finishing position in its last 10 races. With the most recent on the right. An 'x' signifies a spell and 0 means the horse ...