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.