Definitions for "Fire polish"
High quality molded or cut pieces, that have been heat at an extremely high temperature treated to give very clean, glossy surfaces. The treatment softens the facet edges.
a heat treatment to smooth facetted bead surfaces and maximize gloss
Heating glass to the point where the surface has a glossy, wet appearance. A technique used to retain a shiny surface to glass after it has been ground or sandblasted.