Apatite:
Basic facts:
Origin: Brazil, Burma, Madagascar, Mexico, Mozambique & Sri Lanka
Colors: Blue, green, violet, yellow
Family: Apatite: Ca5(PO4)3(OH,F,Cl)
Hardness: 5
Refractive Index: 1.62 – 1.65
Specific Gravity: 3.16 – 3.23
Treatment: Normally not treated
The name
apatite comes from the Greek word apatao, which means "to deceive", because apatite has often been confused with gems such as tourmaline, peridot (olivine) and beryl.
Legends and myths
Apatite is said to increase your insight, learning ability and creativity, and to give increased self-confidence. It is also said to contribute to a deeper state of meditation. Apatite is also believed by crystal healers to be useful for improving your coordination, strengthening muscles, suppressing hunger and relieving stress.

Apatite facts
Apatite is actually three different minerals, depending on a predominance of either fluorine, chlorine or the hydroxyl group: calcium (fluorine, chlorine, hydroxyl) phosphate. Gem quality apatite is rare, especially over a carat. The color is often dependent on the presence of rare earth elements and includes green, yellow, blue, violet, and a yellow-green variety.