Coober Pedy Crystal Seam opal rough 16.75cts Flat bar showing blue fires to cut 21x19x8mm Lot B4-A086 Up&coming

Coober Pedy Crystal Seam opal rough 16.75cts Flat bar showing blue fires to cut 21x19x8mm Lot B4-A086 Up&comingLot Title: Coober Pedy Crystal Seam Opal Rough 16. 75cts, Flat Bar Showing Blue Fires to CutLot Number: B4 A086Weight: 16. 75 caratsDimensions: 21 x 19 x 8 mm Details: Origin: Coober Pedy, South AustraliaType: Crystal Seam Opal (Rough)Body Tone: Light crystalPlay of Colour: Blue fire in a flat barForm: Blocky piece with exposed face lineUse: Cutting and polishing Description: This 16. 75ct Coober Pedy crystal seam opal rough displays a flat bar with

❓ Gamble Grade C–D (Gamble)Some multicolour flashes in places

50ct seam opal from Lightning Ridge features a bright blue bar running across a classic black base

🔥 Grade A to B Cutter’s RoughStrong colour with low to medium risk – great result possible from a careful cut

Seam & Fossil Opal Rough – 147

though structure and depth of bar may vary

⚠️ Gamble Grade A–B (Gamble)Strong blue bars present

A small inclusion is present on the face but can be worked around with careful planning

some potential

This rare 2

Lot Title: Lightning Ridge Knobby Opal Rough – 130

00ct parcel of Lightning Ridge opal rough offers a mixed assortment of potch and fragments with colour

A great little gamble for cutters looking to explore lively light-base material and uncover hidden faces