These necklaces measure 18 inches in length with an extension of up to 20 inches. 
Apatite Healing Properties:
Blue Apatite will stimulate the growth of the gift of clairvoyance or psychic visions and its metaphysical properties work through both the third eye chakra and throat chakras. It will assist you with lucid dreaming and astral travel, and it encourages you to be of service in a more humanitarian way. This is a strong stone to aid the development of psychic gifts, and its energy also helps spiritual attunement.   It helps you accept yourself as you really are, and to gain greater self confidence.