This necklace features natural Morenci turquoise. As you can see in the photos, the pyrite matrix is very beautiful. The clasp is a sterling silver 925 lobster clasp type. The clasp is stamped with 925. The size is approximately 20.5cm. Recommended for those who are looking for something unique and don't want to be like everyone else, those who appreciate authenticity, and those who have been looking for natural turquoise in Native American jewelry. Please check the images and consider purchasing. sterling silver Navajo navajo MORENCI Morenci Turquoise Arizona