There are some opals that you just want to stare at. An unusual natural partition in the colour bar where two colour patterns meet runs through the centre of this gem, the blues and greens flashing each side as it moves. A very captivating opal with a high cabachon, perfect as a ring stone.

Opal Type: Black Crystal Opal

Shape: Oval

Opal Weight (ct): 1.81 ct

Dimensions (W x L x H): 
7.5 x 9.7 x 4.1mm 
(approx. 5/16 x 3/8 x 3/16 inch)

Colour Intensity: Bright

Dominant Colours: Green, Blue

Pattern: Feather / Rolling Flash, Catseye

Origin: Lightning Ridge, Australia