Lightning Ridge Faced black knobby opal rub/rough 4.20cts Gorgeous Bright Royal blues ready to shape & Polish a Gem 15x11x6mm Lot B4-A718 wk_end_auction 00ct light base Coober Pedy

00ct light base Coober Pedy seam opal rough features a visible blue bar ready to be explored

Seam & Fossil Mix – Great for Cutting or Collecting🎲 Authentic Lightning Ridge Opal – Safe in Water

Features:Blue colours showing on both fossilised specimens

Lot Title: Blue/Green Crystal Seam – Lightning Ridge Opal Rough – 2

Lightning Ridge Faced black knobby opal rub/rough 4.20cts Gorgeous Bright Royal blues ready to shape & Polish a Gem 15x11x6mm Lot B4-A718 wk_end_auction 00ct light base Coober PedyLot TitleFaced Black Knobby Rub Bright Royal Blue Lightning Ridge Opal Lot NumberB4 A718 DetailsWeight: 4. 20 ctSize: 15 x 11 x 6 mmOrigin: Lightning Ridge, AustraliaType: Faced Knobby RubUse: Cutters RubColour: Bright royal blue DescriptionPremium Lightning Ridge black opal rub with gorgeous royal blue fire already faced and ready for shaping. This knobby has been prepped to reveal its full colour bar no gamble here. High dome potential and excellent