NAVAJO HANDCRAFTED CLUSTER DANGLE EARRINGS The extra long dangle earrings are handcrafted by Navajo artisan P.B. The beautiful cluster design earrings have an approximate length of 2.5". Set in solid sterling silver with genuine turquoise. They are on silver post backing which makes these beauties very secure when worn. Kingman Turquoise originates in the Mineral Park Mining District near Kingman, Arizona. One of the largest domestic turquoise mines, the mine is found in a large open pit near copper mine in the high desert country. The Kingman Mine district was first mined by Native Americans; and was part of the most extensive prehistoric workings in all of Arizona.