Silent screen star Mary Pickford bequeathed the Star of Bombay, a 182-carat one of these gems, to the Smithsonian
.... 
One particularly huge sapphire became something of a legend,... [DOC] [TLE] THE BLUE STAR SAPPHIRE - Iren Diamonds & Co [PAR] These gemstones contain intersecting needle-like silk inclusions (often the 
mineral rutile ... star sapphires such as the Star of Sri Lanka1 at 383 carats and 
182 carats Star of ... Sapphire has never been heat treated, which adds to its one-
of-a-kind status.