Sealing it will prevent another olive oil stain from occurring as well.
Can you seal marble with olive oil.
Stone sealers will not prevent chemical damage.
Unfortunately sealing marble won t help to prevent etchings.
If water if regularly darkening your granite then you need to seal the whole counter with 100 silicone sealer.
You can always add fresh oil when you get ready to eat your canned product.
Less fat is better than more in canning.
However some of the major companies that produce granite cleaners and sealants say that using mineral oil on sealed or unsealed granite can cause discoloration over time.
Don t use vegetable oils or olive oil to seal your cutting board.
Olive oil corn oil and sunflower oil should never be used to maintain a cutting board or butcher block.
These oils go rancid relatively quickly and can leave the board with an unpleasant smell.
Topical sealers topical sealers for natural stone take their basic principles from the polyurethane sealers most commonly used for sealing hardwood floors decks and furniture.
This is the same idea as dusting with a dusting spray or if you like to keep it hippy an olive oil based spray.
As a cutting board touches your food substances that can turn rancid should be avoided.
So the more stable fat you use and the cooler and darker the environment the better for shelf stability.
You could put olive oil on it but likely won t be satisfied with the results.
Many people see etchings on marble and they believe the stone needs to be sealed.
That will stop the water from seeping in all granite is porous.
Before sealing a marble countertop test it with mineral oil or water to make sure it really does need to be sealed.
As touched on above these oils experience rancidification a process that yields a rank smell and unpleasant taste.
For example a leaky bottle of olive oil left on the countertop.
Again since the sealer does not form a film to seal off the surface etching can still occur upon contact with corrosive substances on calcite based stones like marble and travertine.
I have been told that rubbing olive oil into the marble i am talking marble not granite then the marks or scratches will fade but i am not daunted by that because this is not a man made stone but all natural.
Since you ve already applied a marble sealer the oil will sit on the surface makeing it slick and attracting dirt and grime.
Eventually the oil will absorb and darken stain unevenly probably the marble.