"Yowah Nut" Opal in the Smithsonian's Gem Collection

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  • čas přidán 23. 05. 2018
  • An unpromising nugget opens to reveal a hidden interior: a beautiful opal with spectacular play-of-color. Curator Jeff Post explains how this opal miner’s find-of-a-lifetime came to be in the museum’s collection.
    View the full article at www.gia.edu/gia-news-research-...

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