Apatite comes from the Greek word apate meaning "to deceive" because it was often confused with other stones like Beryl. This crystal is highly inspirational and motivational, which is why it is called The Guidance Stone and often used by those working on weight loss. Overall, it enhances communication, stimulates the intellect, self knowledge, group work, psychic ability, easing tension, irritability, sorrow & apathy. Supports public speaking, accessing spiritual guidance and humanitarian endeavors. Use it to increase vivid, lucid dreams.