Wholesale Black Onyx Tumbled Stones 1 kg

Black Onyx Tumbled Stones 1 kg Chakra: Root Size: approximately .25 to 1 inch across Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony. Agate and onyx are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of the bands range from black to almost every other color. Chemical Formula: SiO₂ Hardness: 7 ***NOTE TO BUYER*** This is a "random selection" listing. You will NOT receive the exact item photographed in the listing, but one that is very similar. However, due to unique nature of each mineral the size, shape and color may vary slightly.