Navajo pearl and Spiny oyster bracelet. The spiny oyster is from the Baja of Mexico, and is compressed with Kingman turquoise and bronze. The Navajo pearls are 5mm and 6mm with 4mm wheels. The spiny oyster beads are 6mm semi rounds with 4mm half rounds.These beads are a gorgeous mix of colors! A sterling silver swivel clasp makes it easier to put this bracelet on one handed!