Onyx 12mm Square 8-Inch birthstone_sapphire Ocean Jasper is a commercial

Ocean Jasper is a commercial name for Orbicular Jasper

but those varieties are transparent

occasionally mingled with rust-brown

and is a result of trace amounts of copper or chromium

Crazy Lace Agate is often dyed to produce colors that do not naturally occur in the stone

Onyx 12mm Square 8-Inch birthstone_sapphire Ocean Jasper is a commercialOnyx 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