Colorful crystal opal, 4.21ct

This large double sided crystal opal has most beautiful reds and blues mixing together. While in natural light the colors appear a bit muted, under artificial lighting it just sparkle.

This opal comes from old rough, mined more than few decades ago. I feel fortunate to be able to work with such a special material

4.21ct 15.6x12.0x3.54mm from Andamooka, Australia.
Brightness: 2.5 from 5, some directionality;
Body tone: N8, Translucent crystal opal.