Lightning ridge N1 Black opal rub/rough 2.25cts Stunning Bright Green fires to exposed face 13x6x4mm Lot B4-A817 wk_end_auction This piece has great potential

This piece has great potential for cutters looking for blue-on-dark contrast

Predominantly potch with some scattered colours — blues and greens present in parts

Nice greens and blues showing ready to be exposed and cut

featuring a bright and vibrant opal layer set against an ironstone backing

Type: Dark Base Seam Opal Rough

Lightning ridge N1 Black opal rub/rough 2.25cts Stunning Bright Green fires to exposed face 13x6x4mm Lot B4-A817 wk_end_auction This piece has great potentialLot Title#Gem A Grade Rub N1 Black Opal with Bright Green Fire (Lightning Ridge) Lot NumberB4 A817 DetailsWeight: 2. 25 ctSize: 13 x 6 x 4 mmOrigin: Lightning Ridge, AustraliaType: N1 Black Opal Rub RoughUse: Final Cutting PolishingColour: Bright green fireBody Tone: N1 (Jet Black) DescriptionGem quality N1 black opal rub from Lightning Ridge showing stunning bright green fire across the exposed face. This 2. 25ct piece is nearly ready to go perfect