From Helene F. Campbell
This Opal is from Broken River Mining Co. located in Queensland Australia.
The Opal is from the Yaraka Opal Mine and is solid Boulder Opal, Crystal Opal laying on top of Iron Stone.
AU/UK Size: N 1/2
Stone dimensions:
2.73 Carats
12.7mm long x 6.3mm wide x 3.5mm deep - uneven rectangular shape.
Australian Sterling Silver
This Opal is from Broken River Mining Co. located in Queensland Australia.
The Opal is from the Yaraka Opal Mine and is solid Boulder Opal, Crystal Opal laying on top of Iron Stone.
AU/UK Size: N 1/2
Stone dimensions:
2.73 Carats
12.7mm long x 6.3mm wide x 3.5mm deep - uneven rectangular shape.
Australian Sterling Silver