Large Colorful Crystal Opal, 4.15ct from Brazil Shape_Natural moderate in bands with potch

moderate in bands with potch

67mm from Lightning Ridge

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

Body tone: Mixed body black and light opal

Body tone: Mixed body opal

Large Colorful Crystal Opal, 4.15ct from Brazil Shape_Natural moderate in bands with potch4. 15ct, 14. 23x12. 61x3. 60mm from Brazil; Brightness: 3. 5 of 5; Type Translucent crystal opal. This is one of my personal favourites a large Brazilian opal cabochon with layered play of color and mix of patterns showing all the colours of rainbow with greens and goldens dominating. *This opal is cut and polished by Lga from Ligas Creative Workshop.