Made to emulate the look of high-quality natural opals, the universe of color and outrageous flash of man-made opal is truly captivating. All the splendor of natural opal, manufactured into a harder composite that withstands heat and cold. Comprised of approximately 80% silica with 20% added epoxy for hardness and consistency. Colors of the opals are black and yellow with flashes of orange, green and blue. Well calibrated to fit standard cabochon settings.
Cabochons>Other Opal Varieties>Multi-coloredCabochonsOther Opal VarietiesMulti-colored7x5mmOval5mmManmadehttp://www.firemountaingems.com/itemdetails/h203229cbH203229CBCabochon, "opal" (silica and epoxy) (man-made), multicolored, 7x5mm calibrated oval. Sold per pkg of 2.//image1.fmgstatic.com/images/p3229cbb(3).jpg8.588.58As Low As $1.97 per cabochon