smithsonian:This enormous diamond glows in the dark.At 187 carats, the Foxfire diamond isn’t t
smithsonian:This enormous diamond glows in the dark.At 187 carats, the Foxfire diamond isn’t the only diamondthat glows under UV light. What’s intriguing to our scientistsis how it continues to emit an eerie glow—first orange and then white—forminutes after the light is turned off.It’s most likely caused by nitrogen impurities inits structure, but we’re still learning about this 2 billion-year-old gem. See more photos of the diamond in action and learn more about it. -- source link
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