This a truly beautiful man made cantera opal. This cantera opal was made from real host rock (rhyolite) and blue resin. The cabochon is 27.5 x 17 x 9 mm. A unique and extremely beautiful cabochons 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.