VIDEO LINK: https://www.youtube.com/watch?v=Gi5gZWwfK2A Natural Black opal rough 1 piece (22 x 18 x 11 mm) about Ethiopian Welo Untreated! Play of Colors Multicolor flash fire 2.7 grams - 13.5 cts The properties of Opal bring joy and a sense of happiness, increase the joy of living, stimulate artistic creativity and imagination. the pieces for sale is what you see in photo! 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 )