MATTE Onyx 12mm Coin 8-Inch New Rough Nuggets and Chips It is frequently fluorescent under

It is frequently fluorescent under ultraviolet light

this gemstone in its polished state looks like what it would be like to capture smoke in a stone -- bottomless black mixed with white wisps

and rose along with deep maroon dendrites

Similar to Tiger's Eye

According to Norse legend

MATTE Onyx 12mm Coin 8-Inch New Rough Nuggets and Chips It is frequently fluorescent underOnyx 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