![Unknown blue gemstone on the left. Ruby on the right. Both glow the same color of red under UV light. Help me identify the blue gemstone please. : r/Gemstones Unknown blue gemstone on the left. Ruby on the right. Both glow the same color of red under UV light. Help me identify the blue gemstone please. : r/Gemstones](https://preview.redd.it/unknown-blue-gemstone-on-the-left-ruby-on-the-right-both-v0-n9or7t8dlmma1.png?width=640&crop=smart&auto=webp&s=56b7f56a9309cf2a18023f4495281f4b14801db8)
Unknown blue gemstone on the left. Ruby on the right. Both glow the same color of red under UV light. Help me identify the blue gemstone please. : r/Gemstones
![Both natural and synthetic rubies fluoresce under UV light. Learn how slight differences in fluorescence patte… | Ruby crystal, Minerals and gemstones, Natural ruby Both natural and synthetic rubies fluoresce under UV light. Learn how slight differences in fluorescence patte… | Ruby crystal, Minerals and gemstones, Natural ruby](https://i.pinimg.com/originals/0e/00/4d/0e004d008a48bf70a9e469d3eca8d13b.jpg)
Both natural and synthetic rubies fluoresce under UV light. Learn how slight differences in fluorescence patte… | Ruby crystal, Minerals and gemstones, Natural ruby
![Completely unaltered, unfiltered color of the rubies under UV light. I've never seen a red like this in nature before. From the famous Jegdalek deposit in Surobi District (Sorobi District), Kabul, Afghanistan : Completely unaltered, unfiltered color of the rubies under UV light. I've never seen a red like this in nature before. From the famous Jegdalek deposit in Surobi District (Sorobi District), Kabul, Afghanistan :](https://i.redd.it/t5b7xlqmbo571.jpg)