Yellow sapphires which have been Increased by way of reduced-amount radiation shed their coloration eventually and fade away due to heat and publicity. See: Undefined variable: GemstoneImagesCount in /household/jawharat/domains/heerejawharat.com/public_html/inc/displaygemstones.php on line sixty five Observe: Undefined variable: GemstoneImagesCount in /home/jawharat/domains/heerejawha... https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html