British brothers Isaac and Sophia Andreu found a rare “opal” stone, a semi-transparent sparkling gem, during their first metal exploration voyage in Queensland, Australia.
The stone, which the two brothers found, was one of the most brilliant gemstones and was valued at £ 700,000.
Rough Koroit opal – Opalized wood – from southwest Queensland, Australia,
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“It includes every color of the rainbow and every color imaginable,” Sophia said.
Experts point out that 90% of the world’s “opals” are located in the Australian outback and that their commercial value is 500 times more expensive than gold.