Natural crystals 12-14mm on a hand-knotted adjustable cord bracelet. 

Herkimer Diamond Quartz -

This special type of quartz transmits more intensely than typical quartz crystals which gives this stone a very intense and powerful energy field. A stone known to help with bravery, honesty and self doubts. Herkimer diamonds are great removers of fears that hinder spiritual growth.

Found in New York, USA.