The largest single natural corundum as a single crystal (Blue Sapphire) in the world has been found in Sri Lanka. With a weight of around 310 kilograms (1.550,000 carats), it has been named as the ...

Sapphires were recently found in alluvial deposits and in situ in basaltic rocks near Wutu, Changle County, in central Shandong Province. The fact that significant amounts of sapphire have been found ...

For years, sapphires been turned up in volcanic deposits such as the Volcanic Eifel, where magma from Earth's mantle wells up into the crust over a long period of time, producing melts that are ...

Like many precious gemstones, sapphires originate in the bowels of the Earth's crust. However, the exact process that led to the formation of these sparkling blue crystals has eluded scientists ...

The association was reinforced in 1981, when Britain’s Prince Charles gave a blue sapphire engagement ring to Lady Diana Spencer. Until her death in 1997, Princess Di, as she was known, charmed and ...