How do you repair a pea sized chip in a new American Standard Americast tub.?

The tub is new and installed and as I was installing the new wall tile over new Durock I dropped a 6x8 wall tile into the tub and it put a pea sized chip in the non skid part on the bottom of the tub|||Depends on what its made of. Is it fiberglass or ceramic, etc.?|||seek a fiberglass repair expert|||what are you talking about speak english