Apatite is aligned with the zodiac sign of Gemini. The gemstone is believed to decrease appetite (hunger) as well as enhance insight, creativity and learning. It is said that wearing apatite will enhance focus, clarity for concentration, intellect, acceptance and unconditional love. It expands knowledge and truth and eases sorrow, apathy, and anger. Physically, Apatite aids in the absorption of calcium, helping cartilage, bones and teeth; healing bones and encouraging the formation of new cells. It improves arthritis and joint problems.