BOS-18Boulder Opal Split
In many parts of Queensland Australia precious opal forms in thin seams in a nodule-like concretion (or boulder) of ironstone composition. These seams are split along the opal seams to reveal the bright, colorful, fiery opal interiors...thus calling them "boulder opal splits". 69mm x 24mm x 13mm thick. 33 grams (1.06 ounces). $93.00.
Category: Rough Opals > Boulder Opal Splits