IC2 Macerator
The Macerator in Industrial Craft 2 is how you can double your ore efficiency by turning it from ore to dust. Dust is smelted into its equivalent form of ingot. Macerating bones and blaze rods creates 5 of bonemeal or blaze powder.
Macerator Recipe
The macerator requires a single machine block in the central slot of the crafting table, the top row filled with flint, while on both sides of the machine block there are two cobble and a electronic circuit underneath the machine block.
Macerator Video