A small blue triangle boulder opal specimen.

• ~ 235 carats /  47 grams
• 40 x 42.5 mm / 1.57" x 1.67".
• 29 mm / 1.14" thick.
• Natural solid boulder opal specimen.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Stands on its own in one direction.