Boulder Opal, 13.75ct from Queensland, Australia Worldopal You wouldn't find many like

You wouldn't find many like this

64  mm from Lighting Ridge

This lovely Australian black opal gem is showing off a bright green play of color

The darker potch line is splitting the swirling pattern in the middle and one side has lovely redder and other has greener and golden tones

Boulder Opal, 13.75ct from Queensland, Australia Worldopal You wouldn't find many like13. 75ct, 19. 4x12. 5x6. 2mm from Queensland, Australia. Australian Boulder opals are natural doublets where precious opal layers has formed on ironstone matrix. This opal has a dark blue purple and green play of color displayed in beautiful pattern what looks like a moody sea. The opal has undulated surface and also purple crystal opal in on the back. It would make one of kind pendant or other jewelry piece. Please note that my camera is picking up