Nice Sized Blue on Black seam opal rough 19.75cts Good zone of colour showing through skin in bar to cut or carve 24x20x8mm Lot B4-A729 wk_auction low to moderate risk –

low to moderate risk – professional-grade cutter with serious fire

Flat bar shape

Description:This small but striking Coober Pedy opal doublet features bright green and blue fire in a clean

Gamble Grade:| 🎲 Gamble Grade C (Gamble) | Bright red/orange bling showing – unknown depth and spread

DetailsWeight: 29

Nice Sized Blue on Black seam opal rough 19.75cts Good zone of colour showing through skin in bar to cut or carve 24x20x8mm Lot B4-A729 wk_auction low to moderate risk –Lot TitleBlue on Black Seam Lightning Ridge Rough with Cuttable Bar Lot NumberB4 A729 DetailsWeight: 19. 75 ctSize: 24 x 20 x 8 mmOrigin: Lightning Ridge, AustraliaType: Seam Opal RoughUse: Cutting CarvingColour: Blue on black base DescriptionNice sized seam opal rough from Lightning Ridge with blue fire on a black base. A solid zone of colour is showing through the skin, following a promising bar across the stone. Great size and proportion for