Our small parcels of Boulder opal (Queensland) are great value for jewellers and hobbyists. Blue, turquoise and green colours - the colours of the ocean!  These freeform shapes can be used for all kinds of jewellery - rings or pendants.  Opal measures 6.65 x 15 mm to 8.37 x 21.4 mm. Weight of parcel 39.35 carats 8 pieces