Fire opal refers to the variety of transparent red, orange or orangy-red opal usually lacking play-of-color. Fire opal is cut en cabochon as well as faceted. The source for this gem material is Mexico, hence the name.
|Gemological Information for Mexican Fire Opal|
|Color||Red, Orange, Orangy-Red|
|Similar stones||Opal can be confused with glasses and some plastics. Redish-brown Chalcedony for its color.|
|Treatments||Fracture Filling, Synthetics.|
|Country of origin||Mexico, Brazil|
|Mexican Fire Opal Care|
|Warm soapy water||Safe|
|Heat sensitivity||May crack|
Gem Reference Guide, Los Angeles: Gemological Institute of America, 1988. Pp. 164-167.
Newman, Harold. An Illustrated Dictionary of Jewelry, New York: Thames and Hudson, 1981. Pp. 126.
Schumann, Walter. Gemstones of the World, New York: Sterling Publishing, Co., 1977. Pp. 152.