Natural Black Opal Indonesian, Banten Wood Fossil volcanic origin Miocene, Aquitanian ( 22 million years ago ) Oiled Multicolor, Flash fire 13,20 cts - 2.64 grams 3 Pieces (26 x 8 x 6 mm) (17 x 5 x 5 mm) (12 x 6 x 5 mm) about Beautiful piece taken from my private collection! 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 )