The Largest High Grade Opal now on Display
The Rare Opal A rare, 998-gram gem called “the Fire of Australia” is now on display at the South Australian Museum, this is the first time the precious opal is being shown in public since 1946 when it was discovered. According to the museum, the opal valued at a $675,000 is the largest known piece of high grade opal in the world. The Fire of Australia is about the size