There is no purity mark, however it has been tested positive for sterling silver. The inside measurement from tip to tip is approximately 5-1/4" and the opening measurement between the tip is approximately 1-1/2".
Approximate width of the bracelet is 2-1/2(across inside). Approximate size of the Coral stone is 5/8" L(North to South), 1/2" W(East to West). Sturdy 14.3 grams in my scale. 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!