Mineral Oil On Honed Granite . Mineral oil stain on granite. Allow the baking soda to remain on the stone for 20 minutes to absorb the oil stains. 25 Awesome Honed Black Granite Countertop Ideas For Awesome Kitchen from luxidecor.com If the granite did not darken up or absorb any of the water or oil, you can move onto the next section. Rub a couple of drops of mineral oil in your hands and smooth into hair to tame flyaway frizz. Just test it for color change if it’s a white or light cool toned stone.