abrasive

Producing abrasion; rough enough to wear away the outer surface.

Being rough and coarse in manner or disposition; overly aggressive and causing irritation.

An abrasive person can grate on one's sensibilities.

Despite her proper upbringing, we found her manners to be terribly abrasive.

A hard inorganic substance or material consisting in powder or granule form such as sandpaper, pumice, or emery, used for cleaning, smoothing, or polishing.

Rock fragments, sand grains, mineral particles, used by water, wind, and ice to abrade a land surface.