45.5cts Untreated 7-5mm Mexican Fire Opal 9 inch Briolette Bead Strand 108760MEXICAN FIRE OPAL Briolette Bead 9" Strand! This is for one 9" temporarily strung strand of MEXICAN FIRE OPAL Briolette beads! These Mexican fire opal beads range in color from deep red, to brilliant orange, to sunshine yellow and many shades in between. Found mainly in Mexico, fire opals are products of ancient volcanic activity and are quite different than other opals. Some of these Mexican fire opal beads even display the play of color that is