Apatite has a hardness of 5 on the MOh 's scale and comes in colors ranging from yellow, blue, green, white, colorless, brown, purple, violet, gray and pink...The chemical formular is Ca5(PO4)3(F,OH,Cl)3. It has a density of 3.10-3.35 (massive varieties 2.5-2.9) Luster is vitreous. Among the countries in which apatites are found are: Myanmar, Sri Lanka, Madagascar, Brazil, India, Spain, Germany, Tanzania, Canada and Mexico.