American Fire Glass AFF-COP-10-J 1/4" Copper Fire Glass 10 lbs Jar. Copper has that rustic, old world charm to it. The color possesses a natural sheen and beautifully accentuates the interiors of any room. If your customers wish to bring the allure of copper to their home, then make sure you offer them our copper fire glass from our 1/4" inch fire glass collection. This gorgeous copper hue goes amazingly well with color schemes dominated by shades of wood, red, brown, and many others. It works well with traditional and antique décor, but depending on the other elements in the room, it can gel well in a contemporary environment as well.