Check out these crystal necklaces made by Gia Bahm of Unearthen. Each crystal is housed in an empty bullet, creating an opposition between the old and new. According the Bahm, "the stone with the right properties for your needs will inherently attract you."
Despite not being a mystical person, I do find something intriguing about the attraction between the wearer and the crystal. Based on the selection above, I'm drawn to the Aqua Aura Quartz (second from right). It provides clarity for thinking and is a vehicle for realizing and acheiving talents, which oddly enough is very fitting for me.
Check out the other pieces in Unearthern's collection, here.