Natural opal rough Ethiopian Welo 13 pieces from 10 to 16 mm about Untreated! Multicolor flash fire 11.8 grams - 59 cts The properties of Opal bring joy and a sense of happiness, increase the joy of living, stimulate artistic creativity and imagination. Its properties facilitate contacts and alliances and rebalance energy and emotion Bridge stone between heart and throat called the "Gem of God", symbolizes justice, harmony and emotional depth. 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 and cannot be considered a substitute for traditional medical treatment. the pieces for sale is what you see in photos! Lamp light condition! beautiful colors also sunlight! please be careful with the description and measures COMBINED SHIPPING (if you buy more items in the same auction you only pay 1 shipment) Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-45 days for rest of the world ) if you want fast shipping, please contact me immediately after the auction win