Blue Black Opal, 3.26ct from Lightning Ridge, Australia Type_Mixed Body Opal Australian Boulder opals from Koroit

Australian Boulder opals from Koroit opal fields can show the most interesting patterns of precious opal in the ironstone matrix

This incredible dark Australian opal has a unique golden script pattern

from Lightning Ridge

and green color shining out from an opal found in the Lighting Ridge in Australia

blues and purple and some green and even pink

Blue Black Opal, 3.26ct from Lightning Ridge, Australia Type_Mixed Body Opal Australian Boulder opals from Koroit3. 26ct, 12. 10x8. 55x4. 57mm from Lightning Ridge, Australia; Brightness: 2 of 5 moderately bright; Body tone: N2, Black opal. This Australian black opal is shaped in lovely oval with medium dome. It has midnight blue play of color. It has a small inclusion adding an unique character for this opal. *This opal is cut and polished by Lga from Ligas Creative Workshop.