A lovely small pastel blue teardrop boulder opal.  

• 3.47 carats.
• 14.5 x 9.4 mm / 0.57" x 0.37".
• 3.4 mm / 0.13" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Commercial grade, with a minor imperfection.