Agate n' Brecciated Jasper!

This rock has a polished surface with a mix of colors, primarily shades of brown, pink, and white with some darker veins. This description suggests it could be a type of jasper or agate, which are both known for their colorful and banded appearances when polished. Jasper often has a more opaque look with various colors, while agate tends to have more distinct banding.