Tyrannosaurus Rex Bone Fragment - Fossil Specimen charcoal where circulating groundwater reacts with

where circulating groundwater reacts with primary copper minerals and silica

specifically from the Lower Jurassic epoch

Approximate size of 1 piece: 80mm x 80mm x 14mmApproximate weight of 1 piece: 60g

this bracelet makes a meaningful and stylish addition to any collection

In this darker form

Tyrannosaurus Rex Bone Fragment - Fossil Specimen charcoal where circulating groundwater reacts withMined from: Hell Creek Formation, South Dakota, U. S. A. Era: Mesozoic, Late Cretaceous Geological Age: 66 68 mya Description: This one of a kind fossil bone fragment comes from the Hell Creek Formation, one of the most famous Late Cretaceous dinosaur bearing formations in North America. The piece has a rugged, vertical display shape with dark brown to earthy tan fossilized bone texture, visible cracking, layered surfaces, and natural weathering