Spiny Cluster Earring by Fred PetersNavajo Artist, Fred Peter's Cluster Earring. It is all hand cut with sterling silver and Stabilized Kingman Turquoise and Spiny Oyster. Size: 1. 3"x1. 6" Weight: 1. 12 oz (Both) 0. 52 oz (Single) Artist Tribe: Fred Peters (Navajo) Born in 1960, Fred Peters is Navajo Artist from Gallup, NM. He used to work for different manufacturing companies, so he has lots of different styles of jewelry. His work is really clean and mostly of the traditional style.