Flat Blue bar on this Crystal Seam opal rough 7.40cts Coober Pedy 18x15x4mm Lot B4-A102 ToClear Natural and untreated

Natural and untreated

00ctsLot Number: B4-A614Details: 42x27x16 mm – Lightning Ridge – Knobby Opal Rough – Dark BaseDescription:Large Lightning Ridge knobby opal rough formation weighing 77

Base: Dark Base

60ctsLot Number: B4-A533Details: 13x13x5 mm – Bright Green / Blue HuesDescription:Striking small knobby opal rough in dark crystal form

Type: Mixed knobby

Flat Blue bar on this Crystal Seam opal rough 7.40cts Coober Pedy 18x15x4mm Lot B4-A102 ToClear Natural and untreatedFlat Blue Bar on Crystal Seam Opal Rough 7. 40cts Lot: B4 A102Size: 18 x 15 x 4mmWeight: 7. 40 caratsOrigin: Coober Pedy, Australia This Coober Pedy crystal seam opal rough features a flat blue bar, making it an interesting piece with potential for cutting. With its natural formation and blue tones, this opal could produce a unique finished gemstone. A great opportunity to work with Australian opal! Natural & Untreated Flat Bar with Blue Hues