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

Nice greens and blues showing ready to be exposed and cut

with room to chase through the rest of the piece

Size: 19x15x7mm

Features: Untouched knobby opal with green-dominant fires

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