Lowest price:$639.99Description: min 2.95ct 10x10mm trillion green apatite from madagascar. the name apatite comes from a greek word meaning to deceive . it looks much like tourmaline or beryl and comes in many colors. the neon blue color is most desired due to its resemblence to paraiba tourmaline one of the most expensive gems in the world. apatite is soft at 5 on moh's scale and should not be cleaned in ultrasonic or steam cleaners. apatite pieces should only be worn occasionally because they will chip or break easily.