Lightning Ridge Gem Black opal rubs 6.50cts Highly Bright & vibrant Gem Quality rough for cutters 12x9x3mm to 7x5x2 mm Lot B4-A806 wk_auction ⚠️ Grade BColour visible –

⚠️ Grade BColour visible – moderate risk

Measuring 7x6x2mm

this knobby rough is an exciting choice for cutters looking to chase colour or collectors wanting genuine Australian opal with potential

with some skin and matrix to navigate

or gamble cut

Lightning Ridge Gem Black opal rubs 6.50cts Highly Bright & vibrant Gem Quality rough for cutters 12x9x3mm to 7x5x2 mm Lot B4-A806 wk_auction ⚠️ Grade BColour visible –Lot Title#Grade A+ Gem Cutters Lightning Ridge Black Opal Rubs (Highly Bright Gem Quality) Lot NumberB4 A806 DetailsWeight: 6. 50 ct (parcel)Size Range: 12 x 9 x 3 mm to 7 x 5 x 2 mmOrigin: Lightning Ridge, AustraliaType: Black Opal RubsUse: Precision Cutting High End GemmakingColour: Highly bright multicolour (Gem Quality) DescriptionPremium grade parcel of Lightning Ridge black opal rubs a 6. 50ct selection of small, gem quality stones for serious