Natural Opal Beads Beautiful colors Multicolor, Flash Fire Smoked Ethiopian, Welo 37 cts - 7.4 grams Beads from 2 to 4.5 mm length 50 cm about Silver 925 hook The properties of Opal bring joy and a sense of happiness, increase the joy of living, stimulate artistic creativity and imagination. Lamp light condition! the piece for sale is what you see in photos! please be careful with the description and measures Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-40 days for rest of the world )