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:

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