Also Fluorescent in daylight. Some have relief areas. Insurance included in price. Truly a unique material.
"Electric Opal" ™ a Hyalite Opal that fluoresces in daylight Mexico cabochon 19- 43x39x10mm Soft Rectangle Total opal coverage, all fluorescent in variations shown under UV light. Slight dip in center. The green shown here is from a UV strong light.
Also Fluorescent in daylight. Some have relief areas. Insurance included in price. Truly a unique material.