This texture pack replaces diamonds with ruby's including diamond horse armor and much more. Rubies were intended to be added in minecraft in 2012, but minecraft team decided to add emeralds instead because of dinnerbones's red-green colorblindness.
Select version for changelog:
Changelog
I improved the Installation description and also changed the thumbnail, and that's very much it!
- Make ruby to be a different item, now it just replaces diamond.
- Add the original texture of ruby to the ruby.