Thin profile knobby opal rough 2.50cts Dark base with Yellow/Green/Blue fires inclusions to work around 13x12x3mm Lot B4-A469 Premium A fantastic opportunity to work

A fantastic opportunity to work with premium Australian opal

Shape: Irregular rub with partially exposed face

Dark base enhances the play-of-color

Rich dark base with gorgeous blue colour showing

Thin profile knobby opal rough 2.50cts Dark base with Yellow/Green/Blue fires inclusions to work around 13x12x3mm Lot B4-A469 Premium A fantastic opportunity to workAuction 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