4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Postosuchus Pink Cobaltoan Calcite is a

Pink Cobaltoan Calcite is a crystal of joy

various insects

The formation of malachite is closely tied to the presence of copper deposits

Specimens of Rainbow Fluorite

4.7" Alethopteris Fern Plant Leaf Fossil Carboniferous Age Llewellyn FM ST Clair, PA Postosuchus Pink Cobaltoan Calcite is aLocation: Llewellyn Formation, St Clair, Pennsylvania Weight: 5. 9 Ounces Dimensions: 4. 7 Inches Long, 4. 2 Inches Wide, 0. 4 Inches Thick (Plate) Comes with a Certificate of Authenticity. Comes with a Free Stand. The item pictured is the one you will receive. Pennsylvanian Age, 300 million years old. Alethopteris Sp Fern Fossil The Llewellyn Formation, dating back approximately 300 million years to the Pennsylvanian Period, is one of the rare sites