A small oval boulder opal with blues and greens on a light background / body tone.

• 3.20 carats.
• 19.2 x 7.2 mm / 0.75 x 0.28".
• 3.1 mm / 0.12" thick. NB - fragile, as the thickness is more opal than host rock.
  
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Commercial grade.