“What happens at these levels is what drives the formation of plate tectonics and ... these processes using blue diamonds. Yet the depth at which these rare gems form could also hinder further ...

Alejandro Kirk hit a three-run home run in the sixth inning and the Toronto Blue Jays defeated the visiting Tampa Bay Rays ...

The world's biggest blue star sapphire was recently found ... broken off and moved north with the Indian plate. The majority of gems are found in the Highland series and are associated with ...

This gem belongs to the corundum family ... However, they're best known for their blue variety. Sapphire derives from the Greek word "sappheiros," the Geological Institute of America reports.