Onyx 8x11mm Leaf - 8 Inch R1766 one of the first fluorescent

one of the first fluorescent minerals ever studied

It's also known as Angelita and Angelite Quartz

along with the dendritic inclusions of manganese and iron typical of Moss Agate

Aboriginal rock art

Onyx 8x11mm Leaf - 8 Inch R1766 one of the first fluorescentOnyx 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