Such marks can t be repaired.
Burn mark on granite.
Generally it involves using an abrasive to remove the mark and then refinishing the countertop.
Choosing the best method for repairing a burn mark will depend on the particular type of countertop.
Then using a very fine grade of sandpaper begin sanding the mark off.
Wet the area of the granite that has sustained the burn mark using some clean cold water.
Be very careful not to gouge the granite especially if you use a power sander.
Not all burn marks are created equal and some will be tougher to remove from granite surfaces than others.
Once most of the mark is gone switch to a fine grit sandpaper to finish the job.
Unlike other natural or synthetic products that require trivets to avoid marring their surface from hot pots and pans heat does not damage these counters.
Steps to remove the marks.
If the burn mark came from a cigarette incense or any substance that may have left a bit of a burnt residue embedded in an unsealed area of the granite use a poultice to lift the stain away.
I placed a curling iron on a bathroom counter top and it burned the surface.
If you have been unfortunate enough to notice burn marks on the surface of your granite you will probably be interested in how you can go about removing them.
I have tried liquid cleaner with no positive results.
Although there are currently.
The stain is unsightly.
The simple answer is that no granite as a natural porous stone will not burn because it began as a liquid magma deep within the earth and over millions of years is cooled and compressed it has a natural resistance to heat damage.
Granite sealer or polish.