Here is a very simple little resource pack called Better Ores, which will be able to replace for you all the textures of ores on a more noticeable and a little bit more stylish options, which are often used in various PvP resource packs. Now all the blocks of ores will become brighter, and they will have a cool color edging.
How to install Better Ores
- Install Optifine HD (Not necessary but desirable)
- Download Resourse Pack
- Unzip it and copy to C:\Users\User_Name\AppData\Roaming\.minecraft\resourcepacks
- In the game settings, select the desired resource pack