Boulder Opal

Beautiful Boulder Opal with strong veins coloured blue/purple. It measures 40 x 25mm and weighs 14.5g.

This Boulder Opal has beautiful veins of bright purple running through it. It measures 29mm x 17mm and weighs 4.9g.

Beautiful Boulder Opal with a vein of blue/purple. It measures 21mm x 10mm and weighs 2.3g.

Beautiful Boulder Opal with blue streaks. It measures 25mm x 12mm and weighs 2.6g.

Beautiful Boulder Opal with flashes of green. It measures 19mm x 14mm and weighs 2.8g.

Beautiful Boulder Opal with flashes of blue and purple. It measures 15 x 14mm and weighs 2.9g.

Wonderful Boulder Opal with very bright flashes of green. It measures 24 x 10mm and weighs 1.7g.

Boulder Opal with flashes of purple. It measures 20 x 12mm and weighs 3.5g

Beautiful Boulder Opal in a lovely soft puple colour. It measures 20 x 10mm and weighs 1.1g

Boulder Opal with flashes of green. It measures 16 x 7mm and weighs 1.1g

This is a wonderful stone that is different on both sides. One one side, there are lots of bright red flashes and the other side has wonderful red, orange and green colouring.

It measures 14 x 7mm and weighs 2ct.

Boulder Opal with flashes of green and purple. It measures 12 x 9mm and weighs 3.5ct

Large Boulder Opal specimen piece. It has a predominently purple colouring with flashes of red and green. It measures 100 x 60 x 60mm

Spectacular ornamental/specimen Boulder Opal. This is a very big piece and has beautiful veins of blue and purple running through it. It measures 80 x 85mm.

Boulder Opal with a rainbow type pattern. It has flashes of red and green with purple stripes. It measures 14 x 5mm and weighs 2ct

Boulder Opal with brilliant array of green, yellow and a hint of purple. It measures 14 x 8 mm and weighs 4.5ct