I have a ring with a red stone (and it’s not garnet) and i don’t know if it’s a ruby. But i know that real rubies does glow pink under ultraviolet light, and the stone in the ring does glow pink under ultraviolet light.
So i wanted to know if synthetic rubies also glow pink under ultraviolet light.
Could the stone in the ring be a real ruby?
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Synthetic rubies may have no imperfections visible to the naked eye but magnification may reveal curves, striae and gas bubbles. The fewer the number and the less obvious the imperfections, the more valuable the ruby is; unless there are no imperfections (i.e., a “perfect” ruby), in which case it will be suspected of being artificial. Dopants are added to some manufactured rubies so they can be identified as synthetic, but most need gemmological testing to determine their origin.
So, yes, they’d glow like a ‘real’ ruby.