Bridal Jewellery Gold Ruby Necklace Set.

Bridal Jewellery Gold Ruby Necklace Set.

By Stone.

Trade terms such as balas ruby for red spinel and rubellite for red tourmaline can mislead unsuspecting buyers. Such terms are therefore discouraged from use by many gemological associations such as the Laboratory Manual The Smithsonian's National Museum of Natural History in Washington, D.C. has some of the world's largest and finest ruby gemstones.