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 with potential running through the

with potential running through the centre

DetailsWeight: 29

Red fire is highly sought after

these pieces offer excellent potential for cutting and uncovering something spectacular

Great choice for jewellers or collectors chasing a clean

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 with potential running through theLot 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