Natural dark blue stones cut into 8mm faceted  rondelles on a hand-knotted adjustable cord bracelet.

Apatite - 

Believed to be a cleansing influence on the auric fields and a stimulant to visionary states due to its vibrations that enhance psychic and paranormal abilities. These qualities also make it a stone of inspiration through its ability to enable connection with the subconscious creating access to knowledge and understanding for creative problem solving. Blue Apatite can be very uplifting and bring clarity in communication. 

Found in Brazil, Russia and Southeast Asia.