These are 6mm Kingman Turquoise stones set in Sterling silver with a textured copper wire frame surrounding them. The backing is Sterling Silver as are the ear nuts. I sue medium size ear nuts for comfort in fit and for extra precaution against loss of earrings.

Kingman Turquoise Mine stones are among the most beautiful and sought after varieties, known for its characteristic veining. Most of the turquoise stones pulled form the Kingman Turquoise Mine are used for the highest quality turquoise jewelry,

The Kingman turquoise mine is one of the largest in North America. It has produced the largest quantity of stones in recorded history and includes two extensions: the Ithaca Peak mine and Turquoise Mountain. Each part of the mine produces a unique variation of turquoise.