"Fire Opal" is a term used for colorful, transparent to translucent opal with a background color that is a fire-like hue of yellow to orange to red. It might or might not exhibit "play-of-color" (the typical flashes of spectral colors that can be seen when a precious opal is turned under a source of light).
Fire Opal Color- The colors range from yellow to orange and from brown to red. The best stones usually show a vivid burnt red-orange combination.
