4.88 ct gem double sided crystal opal 12x9.5x7mm black-opal The piece will make a

The piece will make a pretty amazing pendant and wont be overcapitalized with added accompanying gemstones

A stunning high domed black opal pendant in sterling silver

Strong green colored black opal with a bright flashes

crystal opals have such nice color the brightness is shown in the scale of attribute below near the video

Please take you time look at the video to see the opal in real time

4.88 ct gem double sided crystal opal 12x9.5x7mm black-opal The piece will make aOne for the more rare ways opal can form is in this double sided crystal opal. It has one side of smaller green and orange pattern and on the other side it has broader pattern with even brighter orange and green