This is natural sandstone, formed 180 to 220 million years ago by wind and water as part of geological formation. The colors and designs were induced by a mineral spring containing iron oxides.

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Septarian Bison Your Price: $220.00 Fluorite Heart Your Price: $90.98 Banded Calcite Bear - Large Your Price: $315.00 Banded Calcite Bison - Extra Large Your Price: $315.00 Trilobite Fossil Your Price: $15.00 Petrified Wood Your Price: $32.00