Carved from Septarian nodules, this bison is a stylized reminder of the magnificent creatures which still roam North America. 50 million years ago when an inland sea covered present-day Utah, mud balls formed and captured traces of ancient marine life. Gray bentonite clay covers the exterior of the mud ball. Inside the nodule, brown aragonite borders separate the bentonite from yellow calcite crystals and fossils.
This specimen is designed around a crystalized interior, making it especially collectable.
Dimensions: 9" x 6"
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