Rocks is the tenth category of Items in Stella's inventory. It contains all of the non-ore Mined materials as well as any powders that can be made at the Crusher.
Mining a rock node will yield 7-8 rocks of the mined material. After receiving the Improved Tools Ability, mining Coal will also yield 1 Diamond and mining Marble will also yield 1 Opal.
Powders made at Crusher