Onyx 7x8mm Faceted Rice Bead - 15-16 Inch Round Nose Pliers It has a hardness of

It has a hardness of 8 on the Mohs hardness scale

is often mistaken for turquoise due to its rich blues and blue to greens

The Zachery Process is the only turquoise process technology out there that is recognized as a natural treatment by the GIA in the US as well as international gem standards

” which means that it can appear to be different colors as it shifts in the light

South Africa

Onyx 7x8mm Faceted Rice Bead - 15-16 Inch Round Nose Pliers It has a hardness ofOnyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all to black stone, and much of the black Onyx on the market has been artificially colored. Onyx has been both revered and feared throughout history. It is referenced in many sacred texts and historical manuscripts and is the first precious stone mentioned in the Bible. However in some regions, such as China, it was feared for centuries as a bad luck