Thin profile knobby opal rough 2.50cts Dark base with Yellow/Green/Blue fires inclusions to work around 13x12x3mm Lot B4-A469 Premium Shape: Irregular rub with partially

Shape: Irregular rub with partially exposed face

Rich dark base with gorgeous blue colour showing

Type: Black Knobby Opal Rough

00ct pair of Coober Pedy crystal seam opals showcases thick bar structure with abundant blue fire across both pieces

or exploration

Thin profile knobby opal rough 2.50cts Dark base with Yellow/Green/Blue fires inclusions to work around 13x12x3mm Lot B4-A469 Premium Shape: Irregular rub with partiallyAuction Listing for Bid 4. com Lot Title: Thin Profile Knobby Opal Rough 2. 50cts Dark Base with Yellow Green Blue Fires Lot Number: B4 A469 Details: Origin: Lightning Ridge, Australia Type: Knobby Opal Rough Carat Weight: 2. 50cts Size: 13x12x3mm Features: Dark base with visible yellow green blue fires, small size with inclusions Description: This 2. 50ct thin profile knobby opal rough from Lightning Ridge features vibrant yellow, green, and blue