sapphire
gem variety of corundum
Black Star of Queensland
147 g black sapphire, discovered by 12-year-old Roy Spencer in the mid-1930s in the Reward Claim gem field near Anakie, Queensland; an oval-shaped gemstone cut as a cabochon
Star of Bombay
182-carat cabochon-cut star sapphire from Sri Lanka
The Star of Adam
280.898 g oval-shaped blue star sapphire
St Edward's Sapphire
part of the British Crown Jewels
Star of India
one of the largest star sapphires in the world
Queen of Asia
world’s largest Blue Sapphire
Logan Sapphire
423-carat blue sapphire
Stuart Sapphire
blue sapphire which forms part of the British Crown Jewels
James J. Hill Sapphire
gemstone named after railroad magnate James J. Hill
Millennium Sapphire
blue Sapphire Gem
Star of Asia
330 carat cabochon-cut star sapphire currently located at the Smithsonian National Museum of Natural History
ruby
variety of corundum, mineral, gemstone
Serendipity Sapphire
world's largest star sapphire cluster