If you prefer not to use mods, modern versions of the game (1.20+) now include built-in that allow you to adjust the glint yourself:
The following post explores how these elements come together to create a cleaner, more readable aesthetic for your gear. sga subtle enchantment glint
Long-time fans know that those floating runes around an Enchanting Table aren't just random squiggles. They are the . If you prefer not to use mods, modern
Slow down the animation for a more "haunting" and less "frenetic" feel. sga subtle enchantment glint
Unlocking the Magic: A Guide to the SGA Subtle Enchantment Glint
It reduces the opacity of the purple glow so you can actually see your armor's material and trims.