Australian opals are the finest in the world. Good stable Australian
opal has proved to be a sound investment over the past 25 years.
It is one of the few gemstones that has continued to appreciate
in value at a steady rate. But before you race out and buy one,
learn a little about them and in what form they come and what is
They fall into
three categories: solids, doublets, and triplets.
are natural stones which have been cut and polished
without being interfered with. Many have a natural potch or rock