0.75cts - Australian Black Boulder Opal Doublet 300+ct This stone displays blue and

This stone displays blue and green colouration in flag and striation patterns

Total weight - 131

This stone displays vibrant blue and green colouration in playful flag and floral patterns within transparent Crystal Opal

Dimensions - please refer to images in hand

Dimensions - 90mm x 75mm x 21mm approx

0.75cts - Australian Black Boulder Opal Doublet 300+ct This stone displays blue andOur highest quality Boulder Opal Doublets are a fraction of the price of a solid opal. Made with all natural opal materials, the original boulder ironstone on the back and a natural opal face. This stone displays red, orange, blue and green colouration. These doublets will not be affected by water and can be worn the same as any natural stone when set into jewellery with no extra care needed. FAQ: Total weight 0. 75cts Area of Mine Outback Queensland,