Solid natural Boulder Opal mined from Yowah, Queensland Australia.
Gem quality rough Opal with vivid face colour Green.
Total weight approx 700 grams (3500 carats).
Solid natural rough Boulder Opal mined from Quilpie, Queensland Australia Vivid Blue and Green with full face on host Ironstone. Total weight 1.20 kilograms
This rough uncut Boulder Opal was mined from Quilpie, Queensland Australia. It has various veins of Opal running through the host ironstone. It has full face of colour with vivid...
This solid natural rough Boulder Opal is mined from Quilpie, Queensland Australia. Total weight is approx 1.50 kilograms (7500 carats). Vivid face colour of Blue and Green.
This rough Boulder Opal is gem quality. Vivid play of vibrant Green. Mined from Yowah, Queensland Australia. Total weight approx 800 grams (4000 carats)