Gabriela Farfan
Curator of gems and minerals at the Smithsonian National Museum of Natural History, knowledgeable about notable American diamonds and the National Gem Collection.
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Mar 6, 2026 • 18min
25 at 250: America's homegrown diamonds and Civil War mail-in ballots
Gabriela Farfan, curator of gems and minerals at the Smithsonian National Museum of Natural History, introduces America's rare homegrown diamonds and how they came to the National Gem Collection. Short segments explore the Uncle Sam and Freedom diamonds, public digging at Crater of Diamonds State Park, and why U.S. commercial diamond mining faded out.
