Y Necklace with 2 English Stirrup Charm s Our sparkly Spinels as a Y Necklace. The necklace length is 24 inches, so the piece fits over your head, then adjust the charm for the desired length. Insanely popular, Tempi offers a few colors: Black, Smoke, and Blues. The spinel beads are natural stones that have been radiated [ heated], faceted and we add intermittent sterling spacer beads every 4 inches for a WOW look. Spinels are 3 millimeters round. This design has our English Stirrup Charms, one loops thrugh the other and you just slide one to adjust your length. The stirrup measures 3/4 inches tall x 1/2 inch wide. Smoke and Black Spinel beads are compared below, as well as Blue spinels. Sterling Silver. Spacer beads used may vary based on inventory, but they will compliment the necklace very well.