Natural Opal Rough Top Colors Honduras Erandique Gualguire mine Multicolor Black Matrix UNTREATED! Flash Fire (green, red, blue, orange, purple, yellow) 34.5 cts - 6,9 grams 1 Piece - 28 x 23 x 9 mm about The colors of the opal are only seen in wet piece ( because it's rough ) Photo wet piece! Lamp light condition! 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 ) ( 15-40 days for rest of the world )