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From color-changing sapphires to rare garnets, the Smithsonian unveils new 77-carat butterfly brooch with 2,328 gems . By AP . Published: 14:41 EDT, 5 March 2013 | Updated: 14:44 EDT, 5 March 2013 ...
An analysis of a 700-year-old ring reveals a unique reddish-purple sapphire set in 18-karat gold with a lion decoration.
The Gemfields were discovered by a railway surveyor in the 1870s. (Supplied: GemFest)Golf ball-sized sapphire. The Stonebridge Green now sits among other rare and famous rough gems as part of the ...
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