Semi Black Stack of dark base Seam opals to cut 20.75cts Bright Bars lots of blues to expose 18x14x9mm to 12x8x4mm Lot B4-A814 Premium Type: Seam Opal Formation

Type: Seam Opal Formation

Its compact dimensions of 8x7x1

Lot Title: Knobby Slice with Blue Fire – Lightning Ridge Rough – 27

Gorgeous Reds & Multifires on Black Seam Rough Opals – 28

Semi Black Stack of dark base Seam opals to cut 20.75cts Bright Bars lots of blues to expose 18x14x9mm to 12x8x4mm Lot B4-A814 Premium Type: Seam Opal FormationLot Title#Grade AB Cutters Semi Black Seam Opal Stack with Bright Blue Bars (Lightning Ridge) Lot NumberB4 A814 DetailsWeight: 20. 75 ct (parcel)Size Range: 18 x 14 x 9 mm to 12 x 8 x 4 mmOrigin: Lightning Ridge, AustraliaType: Semi Black Seam Opal Rough (Stacked Pieces)Use: Cutting RoughColour: Bright blue bars DescriptionStacked parcel of semi black Lightning Ridge seam opals showing bright bars and plenty of blue fire to expose. A mix of sizes and