Onyx 10mm Round Step Cut - 15-16 Inch Dark Labradorite However in some regions

However in some regions

it is a relative newcomer to the gem market

while the Zoisite is light to medium green

whose name is derived from the Greek word for Rose

It was originally named for the visible inclusions of the mineral Cacoxenite

Onyx 10mm Round Step Cut - 15-16 Inch Dark Labradorite However in some regionsOnyx 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