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

a cryptocrystalline Quartz

These colors swirl throughout the stone in fascinating matrices of color

blue-greens and greens swirled with yellow-green

Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain

the second-hardest mineral next to diamond

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