An interesting piece of gemstone found at Lightning Ridge, NSW, Australia. Natural, high quality black opal loose stone with flashy mixed patterns, stripes & chaff, nice color combination of green, gold, a bit of blue & indigo, very nice dark body tone and free shape but not too difficult to set into a jewelry ... Natural Australian black opal with beautiful chaff pattern.
Guaranteed 100% Australian opal and prettiness.
The shape of opal. Our opal comes in Oval, Round, Teardrop, Square, Triangle and Free Shape.
Describes the arrangement of opal's play of colour. Please see Learn About Opal to understand more.
B1 is most desired and brightest to be seen, and B7 is most darkest / dullest of all.