These Pink Opal rectangular nugget beads are from Peru. They are on a 16" strand that has a knot between each bead for that added protection. The size is an average of 7 x 10mm. We just know you are going to love the shape and style of these pink opal beads. Peruvian Opal is actually formed because of water that gets trapped within quartz. So, it has a natural beauty that is very attractive. Peruvian opal is said to stimulate creativity and helps ideas flow more freely. It also helps us face the future. If you are looking to improve your psychic ability, it will do that too. Have any old wounds? Well, Peruvian Opal is also known to release the trauma of old wounds. And, to top it off, this stone also aids restful sleep.