Classic Emissive Ores 1.19 (optifine) -

: While not required, using shaders alongside this pack can significantly enhance the "glow" effect.

Classic Emissive Ores - Minecraft Resource Packs - CurseForge Classic Emissive Ores 1.19 (Optifine)

: Verify that "Emissive Textures" is turned ON in your video settings. Go to Options > Video Settings > Quality > Emissive Textures: ON . : While not required, using shaders alongside this