FLUORITE is a crystal that has been used since Ancient Egypt through modern times and is known for its healing and cleansing properties. The color of fluorite you choose is said to help you in diff… ...

The octahedron is unique among the Platonic solids as the only member of that group to possess mirror planes that do not pass through any of the faces. ... alum or fluorite are commonly octahedral.

Fluorite can be granular, euhedral, or massive as cubic or octahedral crystals. Fluorite is a widespread mineral in carbonate and hydrothermal rocks found across the globe. Fluorite (CaF 2 ), also ...