This is a Stunning Gem Grade Dark opal Gemstone of Grawin Mulga® GemstonesFrom the Wee Warra Fields known for Stable Black Seam opal This is stunning with gorgeous face with bright Multifires. Please note the Potch Inclusions to face which add gorgeous character to the stone N6 Bodytone and B5 Brightness (B1-B10 = B1 being brightest) Perfect Cut and Polish Ready For Setting. Details: UK08 Weight: 3.15cts Grade: GEM GRADE  Source: NSW Australia Field:  Wee Warra of Grawin nr Lightning Ridge Size: 13x11x3.5mm  Shape: Freeform (LOW Dome) Brightness : B5  (B1-B10 / B1 being brightest)  Type: N6 Dark Opal  Colours:  Bright Multi fires State :Perfect Cut and Polish. Ready for Setting Solid, Natural, Untreated Opal MULGA® is a registered Trade Mark of OFM with in the United Kingdom.