Fossil Ginkgo Leaf - 2.938" iguanodon The traditional birthstone of February

The traditional birthstone of February can be found worldwide and is sought after for its beautiful purple hues

Experimental detection of α-particles from the radioactive decay of natural bismuth

also serving as the certificate of authenticity

This specimen is a complete 59

Fossil Ginkgo Leaf - 2.938" iguanodon The traditional birthstone of FebruaryThe Ginkgo tree is a beautiful plant with fascinating fan like leaves that turn a rich gold in autumn. First appearing in the Jurassic Period, this magnificent gymnosperm has changed very little over the past several million years, making the modern tree a living fossil of its prehistoric ancestors. This specimen is a 2. 938" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota. This formation and the fossil are from the