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[-] stephen01king@lemmy.zip 2 points 4 months ago

But isn't their shine mostly due to the internal reflection rather than external refraction? That's why the gems are cut angularly, to help with the internal reflection.

[-] TheEighthDoctor@lemmy.zip 1 points 4 months ago

You can only observe the external properties since you are on the outside

[-] stephen01king@lemmy.zip 2 points 4 months ago

By that logic, glass mirrors also work by refraction, because it refracts out of the glass before it reaches your eye.

[-] TheEighthDoctor@lemmy.zip 1 points 4 months ago
[-] stephen01king@lemmy.zip 2 points 4 months ago

And so does the internal surface of a diamond.

this post was submitted on 05 Feb 2025
252 points (100.0% liked)

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