Flat Blue bar on this Crystal Seam opal rough 7.40cts Coober Pedy 18x15x4mm Lot B4-A102 ToClear One side showing lots of

One side showing lots of blue colours

With its translucent dark crystal body

Cutting Potential: Strong – suitable for one or more polished stones

Type: Mixed knobby

Base: Dark Base

Flat Blue bar on this Crystal Seam opal rough 7.40cts Coober Pedy 18x15x4mm Lot B4-A102 ToClear One side showing lots ofFlat 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