Pea knobby opal rough Dark base 3.40cts Bright Blues to cut & explore 12x8x6mm Lot B4-A351 wk_end_auction 40ct Coober Pedy opal doublet

40ct Coober Pedy opal doublet features a gem-quality crystal opal expertly mounted on a boulder backing

Carat Weight: 20

Colour is already showing strong — just needs a brave hand and a steady wheel

This untouched dark base knobby opal rough from Lightning Ridge features blue fire waiting to be revealed

small stones

Pea knobby opal rough Dark base 3.40cts Bright Blues to cut & explore 12x8x6mm Lot B4-A351 wk_end_auction 40ct Coober Pedy opal doubletLot Title: Lightning Ridge Pea Knobby Opal Rough 3. 40cts Bright Blues on Dark Base Lot Number: B4 A351 Details: Origin: Lightning Ridge, Australia Type: Pea Knobby Opal Rough Base: Dark Base Carat Weight: 3. 40cts Size: 12x8x6mm Features: Bright blue colours visible Dark base with solid cutting potential Small pea knobby form perfect for a single cut or collectors piece Description: This 3. 40ct dark base pea knobby rough from Lightning Ridge offers