This listing is for ONE (1) Fluorite Octahedron Crystal. Small fluorite Octahedron crystals is perfect for gridding, displaying, wire wrapping or crafting projects! STOCK PHOTO. Each fluorite set will vary slightly in size, characteristics and color. Colors range from light green to deep green, sometimes a light teal-like to purple. Fluorite is the most colorful mineral in the world! Fluorite forms in a wide variety of hues. Known as the “GENIUS STONE”, Fluorite represents the highest state of mental achievement. It boosts aptitude & discernment, as well as helping the absorption of new information and working through complex issues.