Blues in a Crystal bar sat on dark base Seam opal rough 20.00cts Coober Pedy Sold as Gamble 21x15x14mm Lot B4-A420 Premium making this knobby opal a

making this knobby opal a valuable addition to any collection

Size Range: 15mm to chip size

A solid gamble for cutters looking to chase small but promising face fire

Lot Title: Big Black Opal Rub/Rough – 29

Seam & Fossil – Potch & Colours – 140

Blues in a Crystal bar sat on dark base Seam opal rough 20.00cts Coober Pedy Sold as Gamble 21x15x14mm Lot B4-A420 Premium making this knobby opal aBlues in a Crystal Bar Sat on Dark Base 20. 00cts Seam Opal Rough, Coober Pedy (Sold as Gamble)Lot Number: B4 A420Weight: 20. 00 caratsDimensions: 21 x 15 x 14 mm Details: Origin: Coober Pedy, South AustraliaType: Seam Opal (Rough)Body Tone: Dark base with crystal barPlay of Colour: Blue fire in crystal bar formationForm: Thick seam with visible layerUse: Testing and colour chasing Description: This 20. 00ct Coober Pedy seam opal rough shows a blue