A long teardrop boulder opal with cool blue colours that form a lovely pattern.  

• 6.11 carats.
• 24.7 x 8.5 mm / 0.97" x 0.33".
• 4.1 mm / 0.16" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Lower commercial grade.