![Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga](https://static.wixstatic.com/media/f4ef11_c1ac7d75f832420c847a57615950b2dc~mv2_d_1600_1600_s_2.jpg/v1/fill/w_1000,h_1000,al_c,q_85,usm_0.66_1.00_0.01/f4ef11_c1ac7d75f832420c847a57615950b2dc~mv2_d_1600_1600_s_2.jpg)
Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga
![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
![Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga](https://static.wixstatic.com/media/f4ef11_eae8a2bd8f05431c9c2ced98b1470ccc~mv2_d_2048_1902_s_2.jpg/v1/fill/w_980,h_910,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/f4ef11_eae8a2bd8f05431c9c2ced98b1470ccc~mv2_d_2048_1902_s_2.jpg)
Are rubies *always* fluorescent? Have you ever seen one not fluoresce? What about rubies from Madaga
![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)