Apatite is the name given to a group of phosphate minerals usually hydroxylapatite fluorapatite and chlorapatite. Apatite is one of few minerals that are produced and used by biological systems. Hydroxylapatite is the major component of bone material.
Apatite is most often seen in blue, but also can be found in brown, pink, yellow, green (from Spain called asparagus stone) and a rare variety of violet. 
A pair of stainless steel blue apatite earrings.
Blue Apatite opens the throat chakra. It enhances communication in groups & facilitates public speaking. It heals the heart & emotions. Blue Apatite connects to a very high level of spiritual guidance. Apatite expands knowledge & truth & eases sorrow, apathy, & anger.
Zodiac sign: Gemini (May 21-June 20)
Chakra: Throat
Please Note: Natural gemstone or semi-precious stone comes from mineral. Due to the naturality, the stones may have a tiny flaw. Meanwhile, cutting or polishing also makes every piece of gemstone vary in colour and size. Image may look different (colour) due to many monitor or device resolutions.