Real gemstones may vary in color and matrix, as seen in the group photo Genuine Natural Kingman Arizona Turquoise, Shell and Sterling Native American Traditional Style for Ladies or Men Graduated Rondelle Shaped Beads in Blue and Blue-Green Colors! Designed and Strung in Our Jewelry Shop by Lula Begay This Native American Graduated Turquoise Bead Necklace displays natural, Kingman stones that are 100% untreated! This gem-quality, single strand is your new classic for daytime or evening. It displays a beautiful range of blues and blue-greens, and the rondelles graduate in size from 6mm to 11mm with 4mm shell heishi extensions. Including the Sterling 4" extension chain and clasp, it's 27" long. Designed and hand strung in our jewelry shop by Lula Begay. Wonderful color and a versatile design make this Native American Graduated Turquoise Bead Necklace your Southwest jewelry basic!