Lightning Ridge Black Seam opals 7.25cts Lots of blue colours showing to cut 12x10x4mm to 10x10x5mm Lot B4-A694 ToClear Size: 19x15x7mm

Size: 19x15x7mm

Type: Knobby rough opal

Lot Number: B4-A049

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

makes it versatile for various cutting and polishing techniques

Lightning Ridge Black Seam opals 7.25cts Lots of blue colours showing to cut 12x10x4mm to 10x10x5mm Lot B4-A694 ToClear Size: 19x15x7mmLot 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