Boulder
This type of Opal is only found in the Queensland fields. It is opal veinlets found within ironstone boulders. The seam of opal is the face, like an opal veneer with a natural ironstone backing. Boulder Opals have a similar appearance to Black Opals but are less valuable.
Come visit us and learn about this fabulous gemstone. We guarantee our Opal lesson will have you well on your way to becoming an Opal expert.
