There are three major regions where opals are mined, and among them, Ethiopian opals are characterized by their high water content and transparency. This is a plump and cute design! Materials: Ethiopian opal, natural Metal parts: sv925 Size: Approximately 7x5mm (excluding the bale) * Natural stones born from nature may contain inclusions, cracks, and minor chips. We appreciate your understanding. Also, as a power stone, there is no effect. * Due to the nature of natural stones, the color, pattern, and shape may vary slightly. * Product images are taken of the actual product. For products of the same quality rank, images taken in the past may be used. * The color of the actual product may appear slightly different depending on your screen and environment.