The complex internal structure of opal diffracts light differently depending on which angle light hits the opal. ... yellow, green, blue, pink, black, etc. The Virgin Rainbow is an opalized ...

Fire of Australia opal set to light up South Australian Museum. The ‘monster’, discovered by Coober Pedy miner Walter Bartram in 1946, weighs just under a kilo and is worth $900,000.

The Fire of Australia is now on display in South Australia The world's finest uncut opal has mostly been kept in a safe deposit box since it was unearthed from the South Australian outback with a ...