Moonstone Banded 6mm Round - 15-16 Inch Matte Sardonyx has a Sard base

Sardonyx has a Sard base

which is not Jasper but rather a combination of Feldspar and Quartz

there may not be a more beautiful blue-and-brown combination than that of Terra Agate

green and brown to the more rare violet and pink

Like all obsidian

Moonstone Banded 6mm Round - 15-16 Inch Matte Sardonyx has a Sard baseRainbow Moonstone is named for its moon like glow or chatoyancy, as well as a prismatic quality that differentiates it from other varieties of Moonstone. Moonstone is a Feldspar mineral that was used in Roman jewelry nearly 2,000 years ago. It has also been considered a sacred stone in India throughout its history, believed to have a special significance to those in romantic relationships.