Opaline is a third generation family business, our founder, Peter Christianos, began mining White Opal at Coober Pedy, South Australia in 1956.

Wholesaling Australian Opal in all forms; South Australian Crystal Opal, Lightning Ridge Black Opal and Queensland Boulder Opal, in all qualities, whether per carat, per ounce or per tonne.
Opaline is a leading miner and specialist in sourcing the most beautiful of all - Queensland Boulder Opal.
We recommend this versatile gemstone as the most brilliant, stable and affordable form of natural Opal.
Catering to your rough requirements with (unsawn) Boulders, slabbed and faced parcels of commercial to gem grades for cutters and carvers.

Average price of bulk rough (unsawn) Boulder Opal: AUD$10-20p/kg, ~$4500 per 300kg drum.
Average price of rough blocked & faced Boulder parcels: AUD$10000, ~ $500 per piece.

Thousands of pieces are faced and polished in our workshops annually, to the highest  standards of presentation, suitable for discerning jewellers, designers and collectors.
Average price per cut stone: AUD$250, range AUD$50-15000 per piece.
Average size: 8 carats, range 1-80 carats.

Our mining interests, Opal expertise and long term experience enable us to offer our clients consistent supply and profits.

Certified Gemmologist & Members of: ‘Jewellers Association of Australia’, ‘Opal Association’ & ‘Queensland Boulder Opal Association’.

Mines Office:
56 Elderslie St
Winton
Queensland 4735
Telephone:  61 7 4657 0250