This is a synthetic opal triplet cabochon . This is a 3 layered cabochon that has a natural ryolite stone in the bottom, synthetic opal in the middle and a clear glass top. This piece is 12.5 x 11.5 x 7.5 mm. This is a unique and extremely beautiful cabochon that will enlight you next jewelry project. Each piece is hand crafted by skilled artisans to be a OOAK gemstone. We accept payments only thru paypal. Shipping is done thru registered mail. Expected delivery time is 21-27 business days (usually because most of the packages will go thru destination´s customes to be cleared). Shipping is done monday, wednesday and friday.