How a museum cleans a gigantic amethyst geode @AmericanMuseumofNaturalHistory
How a museum cleans a gigantic amethyst geode @AmericanMuseumofNaturalHistory
Uploaded March 2024 | Updated September 2026, 2 weeks ago
How does our exhibition staff keep our amethyst geodes sparkling? Watch to find out! These geodes are on display in the Mignone Halls of Gems and Minerals at the American Museum of Natural History.
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How a museum cleans a gigantic amethyst geode

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