Onyx 10mm Round Large Hole 8-Inch Amethyst Turquoise is one of the

Turquoise is one of the oldest known gemstones

Rainbow Moonstone is named for its moon-like glow or chatoyancy

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

Gem Silica is the rarest and highest form of Chrysocolla

Onyx 10mm Round Large Hole 8-Inch Amethyst Turquoise is one of theOnyx 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