This mod add the obsidian altar that alow you to transform things ! You can : turn nether gold ore into simple gold ore, turn torch into redstone torch, turn furnace into blast furnace and a lot more...
The altar is created in 2 layer:
The first is composed of 8 obsidian and 1 obsidian tank
The second is made of 8 obsidian an 1 iron bar
To make the altar work, fill the tank with lava and place a block on the iron bar (Compresed coal block ; dragon egg ; iron block ; piston ; torch ; furnace ; nether gold ore)
The obsidian tank is crafted with 1 obsidian and 4 glass
The compressed coal block is crafted with 9 coal blocks