Blue green boulder opal, 2.7ct

This opal has a fantastic zoning from blue to green and would fall in landscape opal category. The tone of blue and green changes depending on a light - from bright cobalt blue to deep dark purple blue.

  • 2.7ct,  10.33x5.74x3.85mm from Queensland, Australia;
  • Brightness: 4 of 5;
  • Body tone: N4, Boulder opal.

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