Lightning Ridge Black Seam opals 7.25cts Lots of blue colours showing to cut 12x10x4mm to 10x10x5mm Lot B4-A694 ToClear makes it versatile for various

makes it versatile for various cutting and polishing techniques

Size: 19x15x7mm

and chip pieces

Lot Title: Lightning Ridge Knobby Opal Rough – 6

90ct rough from Lightning Ridge shows bright fire and excellent structure

Lightning Ridge Black Seam opals 7.25cts Lots of blue colours showing to cut 12x10x4mm to 10x10x5mm Lot B4-A694 ToClear makes it versatile for variousLot Title: Lightning Ridge Black Seam Opals 7. 25cts Blue Colours Showing Grade BLot Number: B4 A694Details: 12x10x4 mm to 10x10x5 mm 7. 25cts total Lightning Ridge Black Seam OpalsDescription: A small parcel of Lightning Ridge black seam opals, totaling 7. 25cts. Lots of blue colours are already showing great little stones to cut and polish into vibrant cabochons. Grade B colour clearly visible, moderate risk, good potential for cutting. Grade B