Very Stylish.................................. Barrel shape Pink Quartz & Onyx Bead Necklace. Necklace measures 21 1/2" in length. Quartz beads measure from 1' (22.0mm.) to 3/4 " (17mm.). 4.0 mm.Black Onyx beads round out the pink beads. 6.00 mm. Black Onyx round shape bead are in between the pink. Black thread. Pink Quartz button for closure.