A: Yes. In fact, OptiFine enhances most X-Ray packs by enabling "Clear Water" and "Connected Textures," making the ore veins look cleaner.
Go to Options > Resource Packs > Open Resource Pack Folder . X Ray Minecraft 1.8 8 Texture Pack
The X-Ray Minecraft 1.8.8 Texture Pack is compatible with Minecraft version 1.8.8 and can be used in both single-player and multi-player modes. A: Yes