This stunning triple-strand black onyx necklace is elegant and beautifully handcrafted with shiny round onyx stones. Designed by Marilyn Platero from To'hajiilee, New Mexico with manufactured seamless sterling silver beads hand-finished by Navajo Bronson Belone. The necklace is 18 inches long and includes a 3-inch extender attached. Uses all 5mm beads and weighs 43.6 grams. Fits pendants with a bale measuring at least 1/2" or 10mm wide (inside measurement).