The Rock Granulator is a structure in Oxygen Not Included. It is used to create Sand and refine metals from raw metal ore. It is less efficient than the Metal Refinery and will produce 50% Sand regardless of the metal ore placed into it. Raw Minerals will always output Sand.
The Rock Granulator uses 240 W of power and requires a Duplicant to operate it. It can process 100kg of ore or minerals at a time.
Used to refine: