T. Rex Femur Bone Fossil- Hell Creek | River Walkers Minerals amethyst The overlapping cubes create an

The overlapping cubes create an attractive three-dimensional display

creating an unusually textured surface

with countless little windows

this specimen is both visually stunning and scientifically fascinating

while the boulangerite inclusions add another layer of interest that makes this classic Peruvian association so desirable

T. Rex Femur Bone Fossil- Hell Creek | River Walkers Minerals amethyst The overlapping cubes create anWeight: 233g Dimensions: 3. 9 x 3. 2 x 1. 8 Locale: Hell Creek Formation, Montana, USA A beautiful fossil bone fragment that was once a part of a Tyrannosaurus rex femur, collected from the Hell Creek Formation in Montana. This piece has excellent surface texture with natural cracking, warm tan brown mineralization, and dark dendritic mineral patterns across the bone. The dendrites give it a fern like, spotted look, which formed from minerals moving