• wolframhydroxide@sh.itjust.works
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    17 days ago

    Yet another way this is wrong: the primary cause of the adamantine lustre of diamonds is refraction. Any old hunk of metal can reflect light.

    • stephen01king@lemmy.zip
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      15 days ago

      Isn’t it caused by internal reflection? That, by definition, is what happens when the light doesn’t refract out of the diamond.