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

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

The bar is visible on both sides and can also be seen through the top skin

this parcel offers a thrilling opportunity to uncover vibrant opals within

Stacked Vertical Bars to Face with Green-Blue Dominant FiresLot Number: B4-A419Weight: 12

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.