Rainbow Moonstone 10mm Round Banded - 15-16 Inch birthstone_amethyst Tourmalated Quartz is clear Quartz

Tourmalated Quartz is clear Quartz that has formed with Black Tourmaline

as well as translucent and iridescent

It's also porous so it absorbs stains

striated crystals

or subject it to pressure

Rainbow Moonstone 10mm Round Banded - 15-16 Inch birthstone_amethyst Tourmalated Quartz is clear QuartzRainbow 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.