LINK VIDEO: https://www.youtube.com/watch?v=66HnwUd4RU0 Natural opal rough Ethiopian Welo Untreated! Beautiful Color Multicolor flash fire 1 piece Size: 32 x 26 x 17 mm about 13.16 grams - 65.8 cts Photo with lamp light condition! beautiful colors also sunlight! Wet Piece - Photo wet piece Keep moist The properties of Opal bring joy and a sense of happiness, increase the joy of living, stimulate artistic creativity and imagination. please be careful with the description and measures Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-45 days for rest of the world )