Onyx 6mm Rondelle 8-Inch Shape_Drop Black Tourmaline is a black

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

Petrified wood is created through a process called permineralization

it is believed to have been worn Cicero

The proper name for Rosewood is Petersianthus quadrialatus

Shiny and sparkling at the same time

Onyx 6mm Rondelle 8-Inch Shape_Drop Black Tourmaline is a blackOnyx 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