BLACK ONYX FACETED 925 STERLING SILVER JEWELLERY
The parallel banded variant of the silicate stone chalcedony is known as black onyx. Agate and onyx are multilayered chalcedony variations that differ only in the shape of the bands: agate has curved bands, while onyx has parallel bands. Its bands come in a variety of colors, from black to practically every color.
Origin: Uruguay. Color: Black. Clarity: Transparent. Cut: Facets. Treatment: Untreated 100% Genuine Gemstone