Why My Engagement Ring Changes Color | The Alexandrite Effect

Описание: My engagement ring keeps changing color — but it's not a mood ring. Instead, it's some really cool physics called the alexandrite effect, named after the alexandrite gemstone. Here's what it looks like and how it works.

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(Because a few people have asked: To clarity, my alexandrite engagement ring isn't natural; it's synthetic. I unfortunately don't have good resources on where to find natural alexandrite.)

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Photo Credit:
D. Sharon Pruitt: https://commons.wikimedia.org/wiki/Fi...

David Weinberg: https://commons.wikimedia.org/wiki/Fi...
David Weinberg: https://commons.wikimedia.org/wiki/Fi...
Lovelac7: https://commons.wikimedia.org/wiki/Fi...