A matrix boulder opal with multiple colours.

• 16.19 carats.
• 35.5 x 9 mm / 1.39 x 0.35".
• 5 mm / 0.19" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.
  
• Opal ID 390.