Interestingly shaped lightning Ridge Knobby opal rough 7.50cts Bright Blue Center to cut 16x13x7mm Lot B4-A283 wk_end_auction

Interestingly shaped lightning Ridge Knobby opal rough 7.50cts Bright Blue Center to cut 16x13x7mm Lot B4-A283 wk_end_auctionAuction Listing for Bid 4. com Lot Title: Interestingly Shaped Lightning Ridge Knobby Opal Rough 7. 50cts Bright Blue Centre to Cut Lot Number: B4 A283 Details: Origin: Lightning Ridge, Australia Type: Knobby Opal Rough Carat Weight: 7. 50cts Size: 16x13x7mm Features: Bright Blue centre exposed with a unique knobby shape. Description: This 7. 50ct Lightning Ridge knobby opal rough has an interesting and distinct formation, with a bright Blue centre

Some faint fires visible

needs careful cutting

great polish potential

A unique offering perfect for collectors or cutters seeking opal with a natural story and distinct structure

Type: Knobby Opal Trio

moderate risk – exposed bar shows promise

This knobby opal rough from Lightning Ridge showcases vibrant orange and yellow multi-fires

Great mix for practice

ideal for cutting

Lot: B4-A240Size: 28 x 23 x 10mmTotal Weight: 34

and polish into a beauty

making it an exceptional find for cutters and collectors