Pyritized Iguanodon Bone SOLD 1.525" Cross-Section rockinaboxspinosaurus This specimen is a 136-gram

This specimen is a 136-gram fragment of a leaded glass shield window installed in the T Plant (221-T) Plutonium Recovery Building

This specimen is a large fragment of agatized coprolite from the Morrison Formation in Utah

59" polished slab cross-section from an Alaskan Woolly Mammoth

The size can vary but is generally around 1/2 inch

Pyritized Iguanodon Bone SOLD 1.525" Cross-Section rockinaboxspinosaurus This specimen is a 136-gramIguanodon was one of the first dinosaurs to be discovered and an incredibly important puzzle piece to our modern understanding of the creatures. The herbivore stood three meters tall and weighed over 5 tons, with sharp thumb like claws for defense and elongated little fingers to grasp at food. It was even capable of bipedal locomotion, using its tail as a counterweight. This specimen is a 1. 525" pyritized fossil bone section from an Iguanodon from