Twisted Black Onyx Earrings

Georgeous Earrings .
Black Twisted Onyx . If you like black jewelry these are sure to catch your eye
Onyx primarialy refers to the parallel banded variety of the silicate mineral "Chalcedony".
Agate and Onyx are both varieties of layered chalcedony that differ in that the onyx has parellel bands and and agate has curved bands ..