An out of this world opal, with an out of this world price tag - estimated at $20.000, this American Contra Luz Opal features a unique inclusion, which to me, makes it look just like a picture of a far away galaxy. <p style="text-align: center;"><a href="https://cdn.zmescience.com/wp-content/uploads/2013/08/opal-ceva.jpg"><img class="aligncenter wp-image-22515" alt="opal ceva" src="https://cdn.zmescience.com/wp-content/uploads/2013/08/opal-ceva.jpg" width="590" height="614" /></a></p>