Onyx 10mm Round Large Hole 8-Inch Obicular Jasper a cryptocrystalline Quartz

a cryptocrystalline Quartz

but is prized

although the colors are much more muted

red and brown

These colors swirl throughout the stone in fascinating matrices of color

Onyx 10mm Round Large Hole 8-Inch Obicular Jasper a cryptocrystalline QuartzOnyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all 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