This is the 11191st most frequent Polish word.
granitowego
"Granitowego" means "granite" (adjective form, e.g., "granite-like" or "made of granite").
The word 'granitowego' is used here as an adjective describing the countertop's material.
Stół kuchenny był wykonany z granitowego blatu.
The kitchen table was made of a granite countertop.
The word 'granitowego' modifies the noun 'kamienia,' indicating the type of stone found.
Na szlaku znaleźliśmy kilka granitowego kamienia.
On the trail, we found some granite stone.
In this sentence, 'granitowego' describes the material used for the monument.