The Australian Opal Centre has confirmed the return of the Australian Opal Tour, with a nine-day cross-country grand journey ...
The Australian Opal Centre has announced the return of its nine-day Australian Opal Tour, visiting four opal-producing ...
The world’s finest uncut opal, a 998-gram gem called the Fire of Australia, has gone on permanent public display for the first time since its discovery more than 60 years ago. Valued at more than $675 ...
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