TED-Ed: The most colorful gemstones on Earth | Jeff Dekofsky

The video explores the fascinating story of the Haley's Comet Opal discovered by miners at Lunatic Hill. It delves into the unique play of color that distinguishes opals from other gemstones, explaining the scientific principles behind this phenomenon. The formation of opals is described, highlighting the role of silica-rich water and geological conditions. The video also covers wave physics, explaining how interference affects opal colors. Finally, it discusses the rarity of opals and speculates on future opal formations influenced by human artifacts.

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