There is no purity mark, however it has been tested positive for sterling silver. The inside measurement from tip to tip is approximately 6" and the opening measurement between the tip is approximately 1-1/4". Approximate width of the bracelet is 2-1/2. Approximate size of the turquoise stone is 6/8"Length 5/8"width (measured from the center).
Sturdy 25 grams in my scale. ADJUSTABLE BRACELET fits PERFECTLY medium to Large size wrist. This bracelet would be a great addition to any Native American or Southwestern jewelry collection. Also this amazing bracelet is a timeless beauty with lots of good energy! SMOKE AND PET FREE ENVIRONMENT. THANK YOU FOR STOPPING BY!