Lightning Ridge Black Seam opal rough 4.75cts electric Green dominant fires to gamble 18x9x4mm Lot B4-A748 wk_auction Lot Title: Lightning Ridge Tumbled

Lot Title: Lightning Ridge Tumbled Knobby Opal Rough – 14

Grade A+ to A — high gem potential with low to medium risk

Lot Title: Lightning Ridge Rub Rough Crystal Knobby Opal – 2

glowing tones with flashes of blue colour emerging from within

or crafting into a unique jewellery masterpiece

Lightning Ridge Black Seam opal rough 4.75cts electric Green dominant fires to gamble 18x9x4mm Lot B4-A748 wk_auction Lot Title: Lightning Ridge TumbledLot Title#Grade B Cutters Gamble Electric Green Fire Black Seam Opal Rough Lot NumberB4 A748 DetailsWeight: 4. 75 ctSize: 18 x 9 x 4 mmOrigin: Lightning Ridge, AustraliaType: Black Seam Opal RoughUse: Cutting RoughColour: Electric green dominant DescriptionLightning Ridge black seam opal rough showing electric green dominant fire. The colour is bright and promising, with sections of the bar peeking through, but depth and continuity are still a gamble.