Natural opal rough Crystal Big Piece Rainbow pattern colors Ethiopian Welo Untreated! Beautiful Color Multicolor flash fire 1 piece (26x25x23 mm) about 16.8 grams - 84 cts Crack Opal acts as a prism within the aura, bringing a full spectrum of Light energy to the system, soothing and clearing the emotional body, and boosting the will to live and the joy of one's earthly existence. 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 creatività and imagination. It is believed that certain gemstones and minerals have beneficial health and spiritual properties. Catawiki cannot guarantee or be held liable for these suggested attributes which have no scientific evidence. Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-45 days for rest of the world )