Fluorite can form naturally in octahedron shapes of many sizes. They are wonderful for meditation. Fluorite is prized for its translucent luminosity and multi-colored hues. Formed by hydrothermal activity. Exceptional specimens are prized. It’s known as the “genius stone” as it can promote mental clarity and greater awareness. It is also useful for grounding and harmony. Its colors range from green, purple, blue, and yellow.