Mysterious zircon crystal found in King Tut’s “alien glass” reveals temperatures hotter than a volcano
Scientists discovered a microscopic zircon crystal in Libyan desert glass that preserves evidence of extreme temperatures exceeding 4,082 degrees Fahrenheit, hot enough to liquefy zircon completely.
The zircon displays a rare dendritic texture, indicating it melted and recrystallized rapidly under highly chaotic, non-equilibrium conditions.
The glass, which adorned King Tutankhamun’s tomb, was formed by an event approximately 29 million years ago, but no definitive impact crater has been found.
The study does not settle the debate between meteor airburst and direct asteroid impact, but provides strong evidence of extraordinary heating far beyond volcanic processes.
Chemical differences between glass trapped inside the zircon and surrounding desert glass suggest the material existed as a separate molten droplet before preservation.
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