Ever heard of people talking about Crystals? Are you curious about what are crystals? To explain how crystals are formed, Crystals are a piece of homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces. What are crystals for? Different crystals actually have different meanings. Crystals heal you mentally and physically! They can also be used for preventing diseases, curing of illness and drawing out negative energy from your body etc...