Do You Know?
Apatite is not one single mineral. Instead, it's a group of closely related mineral including chlorapatite, fluorapatite, and hydroxylapatite.
Care
As it's relatively soft and brittle, avoid physical activities and wear it with care.
Transparency
Transparent - Translucent
Locales
India, Tanzania, Brazil, China, Mexico, Mozambique, Colombia and more
Treatment
Usually not treated, but sometimes heat treated to improve colours
Interesting Fact
The name "apatite" comes from the Greek word "apate," which means "to deceive." It's because apatite can have a similar appearance to other more valuable gems like tourmaline, peridot and beryl.
Colours

Blue

Yellow

Purple

Brown

Green

Pink