Antique wearable Petrified wood and probably coin silver heavy Navajo Fred Harvey era "Santa Fe Railroad" bracelet from c1930s-1940s with nice stamp work. 
 
Bracelet 5 1/4", 1 1/4" gap, fits 6 1/2" arm, weight of the bracelet is approx 24.3 grams, Petrified wood stone is 3/4" x 1/2"