Tumbled Dark base knobby opal rough 10.50cts Stacked colour bars showing some Multifires 18x14x8mm Lot B4-A518 Premium Features: Dark base knobby opal

Features: Dark base knobby opal naturally set on host rock

Classic Lightning Ridge colour play

great for careful cutting or creative carving

Stunning and very bright multifires throughout

Includes knobby and knobby formation pieces with plenty of potch and only small hints of colour throughout

Tumbled Dark base knobby opal rough 10.50cts Stacked colour bars showing some Multifires 18x14x8mm Lot B4-A518 Premium Features: Dark base knobby opalLot Title: Tumbled Dark Base Knobby Opal Rough 10. 50cts with Stacked Colour Bars & MultifiresLot Number: B4 A518 Details: Weight: 10. 50 carats Size: Approx. 18 x 14 x 8 mm Origin: Lightning Ridge, NSW Type: Tumbled knobby opal rough Base: Dark potch base Colour: Stacked colour bars with some multicolour fire Untreated natural material Description: This dark base tumbled knobby shows stacked colour bars and flashes of multifire across the surface.