Opals may have been around for thousands of years, but they’re having a major resurgence in the jewelry world right now.

Prominent jewelry houses, such as Temple St ... so she replaced them with Burmese rubies, according to Garrard. In the late 19th century, Spain’s King Alfonso XII had a love affair with an ...

The colours of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But have you ever wondered how they get those colours? I am an inorganic ...