14K Gold Tanzanite Slide. 12.2mm(1/2 inch) Wide and 12.2mm(1/2 inch) Long. 1-4mm Round Tanzanite.. 14K Gold Tanzanite Slide. 12.2mm(1/2 inch) Wide and 12.2mm(1/2 inch) Long. 1-4mm Round Tanzanite.Fine styling and finish from our Classic Slide Collection - Fine gems set in 14K gold with solid back. Hand made and finished. Add this to your slide bracelet. Made in the USA.