Lightning Ridge Black Opal Nobby Rectangle The stone exhibits vibrant flashes

The stone exhibits vibrant flashes of red

with scattered flashes of green

This piece offers the brilliant fire that Coober Pedy is famous for

both the front and back surfaces are polished flat

0mm high × 6

Lightning Ridge Black Opal Nobby Rectangle The stone exhibits vibrant flashesThis Lightning Ridge Black Opal is a standout Nobby gem, hand cut to showcase its extraordinary natural beauty. Weighing 7. 64 carats and measuring 13. 1mm wide x 17. 2mm high x 5. 1mm thick, this stone presents a true N1 black body tone the most sought after in black opals for its depth, brilliance, and vivid colour play. The colour pattern is spectacular, resembling a galaxy when viewed up close. Brilliant flashes of violet, blue, green, and red