5.1ct (14.0x8.3x3.8mm) Boulder Opal

Opal Type: Boulder Opal 

Shape: Rectangular

Opal Weight (ct): 5.10ct

Dimensions (L x W x H): 13.96 x 8.33 x 3.85mm

Colour Intensity: Bright

Dominant Colours: Blue, Green

Pattern: Matrix Boulder Pattern (veins/ rivers of opal amongst ironstone) 

Origin: Winton, Queensland Australia