hopediamond Sparkler in the Smithsonian Neil's long-lost gemologist daughter? Large blue gem in the Smithsonian Institute Large and supposedly cursed gem Basball venue for dreamers? Allegedly hexed jewel 45 1/2-carat gem at the National Museum of Natural History [Rhode Island] Famous large deep-blue rock Large gem in the Smithsonian Institution Subject of a renowned curse Large gem in the Smithsonian Gem with a legendary curse Gem in the Smithsonian