Fossil Ginkgo Leaf - 2.393" greece Silicate lava hardens during the

Silicate lava hardens during the eruptions and turns into dark glass stones that rain across the island

The regmaglypts show a glossy fusion crust and a thumbprint-like ablation pattern formed from the intense heat and pressure of atmospheric entry

like leather

recovered from private land in the Morrison Formation

13" sample of Red Planet Obsidian set into a sterling silver bezel

Fossil Ginkgo Leaf - 2.393" greece Silicate lava hardens during theThe 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. 393" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota. This formation and the fossil are from the