Beautiful Lightning Ridge Black Opal Earrings in Sterling Silver Wire Wrapped Sets It is naturally formed in

It is naturally formed in the shape of a heart

Its banded array of colors is exemplified by a silk-like luster

meaning "cat's eye"

Prehistoric Pangea: Many of Arizona’s most famous sandstone formations were laid down when the region sat near the equator as part of the supercontinent Pangaea

As a protector

Beautiful Lightning Ridge Black Opal Earrings in Sterling Silver Wire Wrapped Sets It is naturally formed inBeautiful Lightning Ridge Black Opal Earrings in Sterling Silver Overall size: 5 8 x 1 4 inch or 16 x 6 mm Set in sterling silver findings. One of a kind. About Black Australian Opal Origin: True black opals are found almost exclusively in Lightning Ridge, New South Wales, Australia, which is the source of virtually all investment grade material. Appearance: The term "black opal" refers to the gem's dark body tone (ranging from dark grey to jet black)