Opalite Large Hole 8mm Rondelle - 8-inch - CLEARANCE AA also known as the Stone

also known as the Stone Age

Iron gives them blue

The cabochon you received will not be exactly what is shown in the image

it is cut and polished to look just like a Quartz gemstone

Opalite Large Hole 8mm Rondelle - 8-inch - CLEARANCE AA also known as the StoneOpalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples, and opalescence or lustrous sheen in opaque samples. Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background. Opalite is known by several other names, including Moonstone.